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Finding the Fourth Proportional to 325,560.60, 488,049.30 and 213,294.60

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Solution

The fourth proportional to 325,560.60, 488,049.30 and 213,294.60 is: 319,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,560.60 : 488,049.30 = 213,294.60 : x
  2. Step 2: Convert to fraction form
    325,560.60/488,049.30 = 213,294.60/x
  3. Step 3: Cross multiply
    325,560.60x = 488,049.30 × 213,294.60
  4. Step 4: Simplify right side
    325,560.60x = 104,098,280,223.78
  5. Step 5: Solve for x
    x = 104,098,280,223.78/325,560.60
  6. Step 6: Final answer
    x = 319,750.86

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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.