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Finding the Fourth Proportional to 488,920.59, 733,591.61 and 264,439.05

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Solution

The fourth proportional to 488,920.59, 733,591.61 and 264,439.05 is: 396,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,920.59 : 733,591.61 = 264,439.05 : x
  2. Step 2: Convert to fraction form
    488,920.59/733,591.61 = 264,439.05/x
  3. Step 3: Cross multiply
    488,920.59x = 733,591.61 × 264,439.05
  4. Step 4: Simplify right side
    488,920.59x = 193,990,265,941.29
  5. Step 5: Solve for x
    x = 193,990,265,941.29/488,920.59
  6. Step 6: Final answer
    x = 396,772.55

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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.