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Finding the Fourth Proportional to 504,047.80, 756,071.70 and 444,998.80

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Solution

The fourth proportional to 504,047.80, 756,071.70 and 444,998.80 is: 667,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,047.80 : 756,071.70 = 444,998.80 : x
  2. Step 2: Convert to fraction form
    504,047.80/756,071.70 = 444,998.80/x
  3. Step 3: Cross multiply
    504,047.80x = 756,071.70 × 444,998.80
  4. Step 4: Simplify right side
    504,047.80x = 336,450,999,213.96
  5. Step 5: Solve for x
    x = 336,450,999,213.96/504,047.80
  6. Step 6: Final answer
    x = 667,498.20

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Double scale
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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.