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Finding the Fourth Proportional to 488,759.80, 733,139.70 and 414,948.55

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Solution

The fourth proportional to 488,759.80, 733,139.70 and 414,948.55 is: 622,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,759.80 : 733,139.70 = 414,948.55 : x
  2. Step 2: Convert to fraction form
    488,759.80/733,139.70 = 414,948.55/x
  3. Step 3: Cross multiply
    488,759.80x = 733,139.70 × 414,948.55
  4. Step 4: Simplify right side
    488,759.80x = 304,215,255,462.44
  5. Step 5: Solve for x
    x = 304,215,255,462.44/488,759.80
  6. Step 6: Final answer
    x = 622,422.83

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Similar ratio
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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.