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Finding the Fourth Proportional to 332,171.01, 498,015.14 and 132,431.49

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Solution

The fourth proportional to 332,171.01, 498,015.14 and 132,431.49 is: 198,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,171.01 : 498,015.14 = 132,431.49 : x
  2. Step 2: Convert to fraction form
    332,171.01/498,015.14 = 132,431.49/x
  3. Step 3: Cross multiply
    332,171.01x = 498,015.14 × 132,431.49
  4. Step 4: Simplify right side
    332,171.01x = 65,952,886,370.60
  5. Step 5: Solve for x
    x = 65,952,886,370.60/332,171.01
  6. Step 6: Final answer
    x = 198,551.00

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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.