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Finding the Fourth Proportional to 367,572.96, 550,946.18 and 187,151.95

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Solution

The fourth proportional to 367,572.96, 550,946.18 and 187,151.95 is: 280,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,572.96 : 550,946.18 = 187,151.95 : x
  2. Step 2: Convert to fraction form
    367,572.96/550,946.18 = 187,151.95/x
  3. Step 3: Cross multiply
    367,572.96x = 550,946.18 × 187,151.95
  4. Step 4: Simplify right side
    367,572.96x = 103,110,651,932.05
  5. Step 5: Solve for x
    x = 103,110,651,932.05/367,572.96
  6. Step 6: Final answer
    x = 280,517.51

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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.