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Finding the Fourth Proportional to 332,409.42, 498,614.13 and 155,040.48

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Solution

The fourth proportional to 332,409.42, 498,614.13 and 155,040.48 is: 232,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,409.42 : 498,614.13 = 155,040.48 : x
  2. Step 2: Convert to fraction form
    332,409.42/498,614.13 = 155,040.48/x
  3. Step 3: Cross multiply
    332,409.42x = 498,614.13 × 155,040.48
  4. Step 4: Simplify right side
    332,409.42x = 77,305,374,049.98
  5. Step 5: Solve for x
    x = 77,305,374,049.98/332,409.42
  6. Step 6: Final answer
    x = 232,560.72

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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.