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Finding the Fourth Proportional to 441,766.80, 662,650.20 and 231,377.40

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Solution

The fourth proportional to 441,766.80, 662,650.20 and 231,377.40 is: 347,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,766.80 : 662,650.20 = 231,377.40 : x
  2. Step 2: Convert to fraction form
    441,766.80/662,650.20 = 231,377.40/x
  3. Step 3: Cross multiply
    441,766.80x = 662,650.20 × 231,377.40
  4. Step 4: Simplify right side
    441,766.80x = 153,322,280,385.48
  5. Step 5: Solve for x
    x = 153,322,280,385.48/441,766.80
  6. Step 6: Final answer
    x = 347,066.10

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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.