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Finding the Fourth Proportional to 524,700.38, 724,086.44 and 298,345.88

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Solution

The fourth proportional to 524,700.38, 724,086.44 and 298,345.88 is: 411,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,700.38 : 724,086.44 = 298,345.88 : x
  2. Step 2: Convert to fraction form
    524,700.38/724,086.44 = 298,345.88/x
  3. Step 3: Cross multiply
    524,700.38x = 724,086.44 × 298,345.88
  4. Step 4: Simplify right side
    524,700.38x = 216,028,207,575.15
  5. Step 5: Solve for x
    x = 216,028,207,575.15/524,700.38
  6. Step 6: Final answer
    x = 411,717.27

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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.