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Finding the Fourth Proportional to 297,898.80, 446,761.80 and 108,337.20

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Solution

The fourth proportional to 297,898.80, 446,761.80 and 108,337.20 is: 162,474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,898.80 : 446,761.80 = 108,337.20 : x
  2. Step 2: Convert to fraction form
    297,898.80/446,761.80 = 108,337.20/x
  3. Step 3: Cross multiply
    297,898.80x = 446,761.80 × 108,337.20
  4. Step 4: Simplify right side
    297,898.80x = 48,400,922,478.96
  5. Step 5: Solve for x
    x = 48,400,922,478.96/297,898.80
  6. Step 6: Final answer
    x = 162,474.38

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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.