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Finding the Fourth Proportional to 436,532.52, 654,826.40 and 137,024.88

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Solution

The fourth proportional to 436,532.52, 654,826.40 and 137,024.88 is: 205,545.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,532.52 : 654,826.40 = 137,024.88 : x
  2. Step 2: Convert to fraction form
    436,532.52/654,826.40 = 137,024.88/x
  3. Step 3: Cross multiply
    436,532.52x = 654,826.40 × 137,024.88
  4. Step 4: Simplify right side
    436,532.52x = 89,727,508,880.83
  5. Step 5: Solve for x
    x = 89,727,508,880.83/436,532.52
  6. Step 6: Final answer
    x = 205,545.99

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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.