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Finding the Fourth Proportional to 546,069.60, 818,560.08 and 261,234.72

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Solution

The fourth proportional to 546,069.60, 818,560.08 and 261,234.72 is: 391,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,069.60 : 818,560.08 = 261,234.72 : x
  2. Step 2: Convert to fraction form
    546,069.60/818,560.08 = 261,234.72/x
  3. Step 3: Cross multiply
    546,069.60x = 818,560.08 × 261,234.72
  4. Step 4: Simplify right side
    546,069.60x = 213,836,313,301.98
  5. Step 5: Solve for x
    x = 213,836,313,301.98/546,069.60
  6. Step 6: Final answer
    x = 391,591.68

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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.