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Finding the Fourth Proportional to 627,827.52, 866,404.08 and 341,346.72

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Solution

The fourth proportional to 627,827.52, 866,404.08 and 341,346.72 is: 471,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,827.52 : 866,404.08 = 341,346.72 : x
  2. Step 2: Convert to fraction form
    627,827.52/866,404.08 = 341,346.72/x
  3. Step 3: Cross multiply
    627,827.52x = 866,404.08 × 341,346.72
  4. Step 4: Simplify right side
    627,827.52x = 295,744,190,902.62
  5. Step 5: Solve for x
    x = 295,744,190,902.62/627,827.52
  6. Step 6: Final answer
    x = 471,059.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.