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Finding the Fourth Proportional to 469,519.80, 704,308.21 and 132,585.85

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Solution

The fourth proportional to 469,519.80, 704,308.21 and 132,585.85 is: 198,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,519.80 : 704,308.21 = 132,585.85 : x
  2. Step 2: Convert to fraction form
    469,519.80/704,308.21 = 132,585.85/x
  3. Step 3: Cross multiply
    469,519.80x = 704,308.21 × 132,585.85
  4. Step 4: Simplify right side
    469,519.80x = 93,381,302,684.83
  5. Step 5: Solve for x
    x = 93,381,302,684.83/469,519.80
  6. Step 6: Final answer
    x = 198,886.83

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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.