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Finding the Fourth Proportional to 524,864.76, 724,662 and 403,792.44

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Solution

The fourth proportional to 524,864.76, 724,662 and 403,792.44 is: 557,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,864.76 : 724,662 = 403,792.44 : x
  2. Step 2: Convert to fraction form
    524,864.76/724,662 = 403,792.44/x
  3. Step 3: Cross multiply
    524,864.76x = 724,662 × 403,792.44
  4. Step 4: Simplify right side
    524,864.76x = 292,613,037,155.28
  5. Step 5: Solve for x
    x = 292,613,037,155.28/524,864.76
  6. Step 6: Final answer
    x = 557,501.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.