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Finding the Fourth Proportional to 534,230.62, 801,387.60 and 155,157.55

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Solution

The fourth proportional to 534,230.62, 801,387.60 and 155,157.55 is: 232,748.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,230.62 : 801,387.60 = 155,157.55 : x
  2. Step 2: Convert to fraction form
    534,230.62/801,387.60 = 155,157.55/x
  3. Step 3: Cross multiply
    534,230.62x = 801,387.60 × 155,157.55
  4. Step 4: Simplify right side
    534,230.62x = 124,341,336,616.38
  5. Step 5: Solve for x
    x = 124,341,336,616.38/534,230.62
  6. Step 6: Final answer
    x = 232,748.43

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1.5x scale

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.