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Finding the Fourth Proportional to 724,992.71, 1,087,500 and 251,693.11

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Solution

The fourth proportional to 724,992.71, 1,087,500 and 251,693.11 is: 377,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,992.71 : 1,087,500 = 251,693.11 : x
  2. Step 2: Convert to fraction form
    724,992.71/1,087,500 = 251,693.11/x
  3. Step 3: Cross multiply
    724,992.71x = 1,087,500 × 251,693.11
  4. Step 4: Simplify right side
    724,992.71x = 273,716,251,687.50
  5. Step 5: Solve for x
    x = 273,716,251,687.50/724,992.71
  6. Step 6: Final answer
    x = 377,543.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.