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Finding the Fourth Proportional to 332,433.86, 498,650.76 and 83,115.86

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Solution

The fourth proportional to 332,433.86, 498,650.76 and 83,115.86 is: 124,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,433.86 : 498,650.76 = 83,115.86 : x
  2. Step 2: Convert to fraction form
    332,433.86/498,650.76 = 83,115.86/x
  3. Step 3: Cross multiply
    332,433.86x = 498,650.76 × 83,115.86
  4. Step 4: Simplify right side
    332,433.86x = 41,445,784,263.80
  5. Step 5: Solve for x
    x = 41,445,784,263.80/332,433.86
  6. Step 6: Final answer
    x = 124,673.78

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Double scale
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Similar ratio
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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.