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Finding the Fourth Proportional to 482,956.60, 724,532.10 and 404,613.40

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Solution

The fourth proportional to 482,956.60, 724,532.10 and 404,613.40 is: 607,001.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,956.60 : 724,532.10 = 404,613.40 : x
  2. Step 2: Convert to fraction form
    482,956.60/724,532.10 = 404,613.40/x
  3. Step 3: Cross multiply
    482,956.60x = 724,532.10 × 404,613.40
  4. Step 4: Simplify right side
    482,956.60x = 293,155,396,390.14
  5. Step 5: Solve for x
    x = 293,155,396,390.14/482,956.60
  6. Step 6: Final answer
    x = 607,001.53

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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.