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Finding the Fourth Proportional to 297,877.92, 446,565.92 and 129,271.29

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Solution

The fourth proportional to 297,877.92, 446,565.92 and 129,271.29 is: 193,798.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,877.92 : 446,565.92 = 129,271.29 : x
  2. Step 2: Convert to fraction form
    297,877.92/446,565.92 = 129,271.29/x
  3. Step 3: Cross multiply
    297,877.92x = 446,565.92 × 129,271.29
  4. Step 4: Simplify right side
    297,877.92x = 57,728,151,902.08
  5. Step 5: Solve for x
    x = 57,728,151,902.08/297,877.92
  6. Step 6: Final answer
    x = 193,798.02

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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.