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Finding the Fourth Proportional to 449,565.52, 674,445.48 and 239,172.88

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Solution

The fourth proportional to 449,565.52, 674,445.48 and 239,172.88 is: 358,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,565.52 : 674,445.48 = 239,172.88 : x
  2. Step 2: Convert to fraction form
    449,565.52/674,445.48 = 239,172.88/x
  3. Step 3: Cross multiply
    449,565.52x = 674,445.48 × 239,172.88
  4. Step 4: Simplify right side
    449,565.52x = 161,309,067,854.58
  5. Step 5: Solve for x
    x = 161,309,067,854.58/449,565.52
  6. Step 6: Final answer
    x = 358,811.03

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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.