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Finding the Fourth Proportional to 332,385.56, 498,579.16 and 132,722.20

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Solution

The fourth proportional to 332,385.56, 498,579.16 and 132,722.20 is: 199,083.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,385.56 : 498,579.16 = 132,722.20 : x
  2. Step 2: Convert to fraction form
    332,385.56/498,579.16 = 132,722.20/x
  3. Step 3: Cross multiply
    332,385.56x = 498,579.16 × 132,722.20
  4. Step 4: Simplify right side
    332,385.56x = 66,172,522,989.35
  5. Step 5: Solve for x
    x = 66,172,522,989.35/332,385.56
  6. Step 6: Final answer
    x = 199,083.63

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1.5x scale

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.