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Finding the Fourth Proportional to 332,179.70, 498,269.55 and 121,790.30

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Solution

The fourth proportional to 332,179.70, 498,269.55 and 121,790.30 is: 182,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,179.70 : 498,269.55 = 121,790.30 : x
  2. Step 2: Convert to fraction form
    332,179.70/498,269.55 = 121,790.30/x
  3. Step 3: Cross multiply
    332,179.70x = 498,269.55 × 121,790.30
  4. Step 4: Simplify right side
    332,179.70x = 60,684,397,975.37
  5. Step 5: Solve for x
    x = 60,684,397,975.37/332,179.70
  6. Step 6: Final answer
    x = 182,685.45

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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.