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Finding the Fourth Proportional to 354,672.31, 532,249.44 and 144,348.52

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Solution

The fourth proportional to 354,672.31, 532,249.44 and 144,348.52 is: 216,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,672.31 : 532,249.44 = 144,348.52 : x
  2. Step 2: Convert to fraction form
    354,672.31/532,249.44 = 144,348.52/x
  3. Step 3: Cross multiply
    354,672.31x = 532,249.44 × 144,348.52
  4. Step 4: Simplify right side
    354,672.31x = 76,829,418,934.83
  5. Step 5: Solve for x
    x = 76,829,418,934.83/354,672.31
  6. Step 6: Final answer
    x = 216,620.85

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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.