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Finding the Fourth Proportional to 469,518.80, 704,306.71 and 132,584.85

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Solution

The fourth proportional to 469,518.80, 704,306.71 and 132,584.85 is: 198,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,518.80 : 704,306.71 = 132,584.85 : x
  2. Step 2: Convert to fraction form
    469,518.80/704,306.71 = 132,584.85/x
  3. Step 3: Cross multiply
    469,518.80x = 704,306.71 × 132,584.85
  4. Step 4: Simplify right side
    469,518.80x = 93,380,399,665.07
  5. Step 5: Solve for x
    x = 93,380,399,665.07/469,518.80
  6. Step 6: Final answer
    x = 198,885.33

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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.