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Finding the Fourth Proportional to 493,604.90, 740,407.34 and 119,627.90

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Solution

The fourth proportional to 493,604.90, 740,407.34 and 119,627.90 is: 179,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,604.90 : 740,407.34 = 119,627.90 : x
  2. Step 2: Convert to fraction form
    493,604.90/740,407.34 = 119,627.90/x
  3. Step 3: Cross multiply
    493,604.90x = 740,407.34 × 119,627.90
  4. Step 4: Simplify right side
    493,604.90x = 88,573,375,228.79
  5. Step 5: Solve for x
    x = 88,573,375,228.79/493,604.90
  6. Step 6: Final answer
    x = 179,441.85

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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.