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Finding the Fourth Proportional to 354,766.60, 532,149.90 and 255,622.60

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Solution

The fourth proportional to 354,766.60, 532,149.90 and 255,622.60 is: 383,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,766.60 : 532,149.90 = 255,622.60 : x
  2. Step 2: Convert to fraction form
    354,766.60/532,149.90 = 255,622.60/x
  3. Step 3: Cross multiply
    354,766.60x = 532,149.90 × 255,622.60
  4. Step 4: Simplify right side
    354,766.60x = 136,029,541,027.74
  5. Step 5: Solve for x
    x = 136,029,541,027.74/354,766.60
  6. Step 6: Final answer
    x = 383,433.90

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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.