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Finding the Fourth Proportional to 332,156.60, 498,234.90 and 243,583.10

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Solution

The fourth proportional to 332,156.60, 498,234.90 and 243,583.10 is: 365,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,156.60 : 498,234.90 = 243,583.10 : x
  2. Step 2: Convert to fraction form
    332,156.60/498,234.90 = 243,583.10/x
  3. Step 3: Cross multiply
    332,156.60x = 498,234.90 × 243,583.10
  4. Step 4: Simplify right side
    332,156.60x = 121,361,601,470.19
  5. Step 5: Solve for x
    x = 121,361,601,470.19/332,156.60
  6. Step 6: Final answer
    x = 365,374.65

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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.