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Finding the Fourth Proportional to 351,863.20, 527,794.80 and 324,829.60

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Solution

The fourth proportional to 351,863.20, 527,794.80 and 324,829.60 is: 487,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,863.20 : 527,794.80 = 324,829.60 : x
  2. Step 2: Convert to fraction form
    351,863.20/527,794.80 = 324,829.60/x
  3. Step 3: Cross multiply
    351,863.20x = 527,794.80 × 324,829.60
  4. Step 4: Simplify right side
    351,863.20x = 171,443,373,766.08
  5. Step 5: Solve for x
    x = 171,443,373,766.08/351,863.20
  6. Step 6: Final answer
    x = 487,244.40

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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.