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Finding the Fourth Proportional to 493,770.90, 740,656.35 and 119,793.90

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Solution

The fourth proportional to 493,770.90, 740,656.35 and 119,793.90 is: 179,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,770.90 : 740,656.35 = 119,793.90 : x
  2. Step 2: Convert to fraction form
    493,770.90/740,656.35 = 119,793.90/x
  3. Step 3: Cross multiply
    493,770.90x = 740,656.35 × 119,793.90
  4. Step 4: Simplify right side
    493,770.90x = 88,726,112,726.27
  5. Step 5: Solve for x
    x = 88,726,112,726.27/493,770.90
  6. Step 6: Final answer
    x = 179,690.85

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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.