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Finding the Fourth Proportional to 504,582,193.80, 756,873,290.70 and 349,613,998.20

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Solution

The fourth proportional to 504,582,193.80, 756,873,290.70 and 349,613,998.20 is: 524,420,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,582,193.80 : 756,873,290.70 = 349,613,998.20 : x
  2. Step 2: Convert to fraction form
    504,582,193.80/756,873,290.70 = 349,613,998.20/x
  3. Step 3: Cross multiply
    504,582,193.80x = 756,873,290.70 × 349,613,998.20
  4. Step 4: Simplify right side
    504,582,193.80x = 264,613,497,292,417,888
  5. Step 5: Solve for x
    x = 264,613,497,292,417,888/504,582,193.80
  6. Step 6: Final answer
    x = 524,420,997.30

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Double scale
Find fourth proportional to 504,582,194.80, 756,873,292.20 and 349,613,999.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.