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Finding the Fourth Proportional to 361,551.29, 499,139.48 and 247,002.17

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Solution

The fourth proportional to 361,551.29, 499,139.48 and 247,002.17 is: 340,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,551.29 : 499,139.48 = 247,002.17 : x
  2. Step 2: Convert to fraction form
    361,551.29/499,139.48 = 247,002.17/x
  3. Step 3: Cross multiply
    361,551.29x = 499,139.48 × 247,002.17
  4. Step 4: Simplify right side
    361,551.29x = 123,288,532,814.48
  5. Step 5: Solve for x
    x = 123,288,532,814.48/361,551.29
  6. Step 6: Final answer
    x = 340,998.74

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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.