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Finding the Fourth Proportional to 524,753.72, 724,151.77 and 292,178.42

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Solution

The fourth proportional to 524,753.72, 724,151.77 and 292,178.42 is: 403,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,753.72 : 724,151.77 = 292,178.42 : x
  2. Step 2: Convert to fraction form
    524,753.72/724,151.77 = 292,178.42/x
  3. Step 3: Cross multiply
    524,753.72x = 724,151.77 × 292,178.42
  4. Step 4: Simplify right side
    524,753.72x = 211,581,515,647.60
  5. Step 5: Solve for x
    x = 211,581,515,647.60/524,753.72
  6. Step 6: Final answer
    x = 403,201.56

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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.