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Finding the Fourth Proportional to 524,700.48, 724,083.28 and 298,345.96

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Solution

The fourth proportional to 524,700.48, 724,083.28 and 298,345.96 is: 411,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,700.48 : 724,083.28 = 298,345.96 : x
  2. Step 2: Convert to fraction form
    524,700.48/724,083.28 = 298,345.96/x
  3. Step 3: Cross multiply
    524,700.48x = 724,083.28 × 298,345.96
  4. Step 4: Simplify right side
    524,700.48x = 216,027,321,291.55
  5. Step 5: Solve for x
    x = 216,027,321,291.55/524,700.48
  6. Step 6: Final answer
    x = 411,715.50

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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.