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Finding the Fourth Proportional to 601,613.80, 902,420.70 and 483,515.80

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Solution

The fourth proportional to 601,613.80, 902,420.70 and 483,515.80 is: 725,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,613.80 : 902,420.70 = 483,515.80 : x
  2. Step 2: Convert to fraction form
    601,613.80/902,420.70 = 483,515.80/x
  3. Step 3: Cross multiply
    601,613.80x = 902,420.70 × 483,515.80
  4. Step 4: Simplify right side
    601,613.80x = 436,334,666,697.06
  5. Step 5: Solve for x
    x = 436,334,666,697.06/601,613.80
  6. Step 6: Final answer
    x = 725,273.70

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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.