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Finding the Fourth Proportional to 524,777.94, 724,542.17 and 403,705.62

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Solution

The fourth proportional to 524,777.94, 724,542.17 and 403,705.62 is: 557,381.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,777.94 : 724,542.17 = 403,705.62 : x
  2. Step 2: Convert to fraction form
    524,777.94/724,542.17 = 403,705.62/x
  3. Step 3: Cross multiply
    524,777.94x = 724,542.17 × 403,705.62
  4. Step 4: Simplify right side
    524,777.94x = 292,501,743,937.47
  5. Step 5: Solve for x
    x = 292,501,743,937.47/524,777.94
  6. Step 6: Final answer
    x = 557,381.94

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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.