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Finding the Fourth Proportional to 392,493.60, 588,999.60 and 224,013.60

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Solution

The fourth proportional to 392,493.60, 588,999.60 and 224,013.60 is: 336,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,493.60 : 588,999.60 = 224,013.60 : x
  2. Step 2: Convert to fraction form
    392,493.60/588,999.60 = 224,013.60/x
  3. Step 3: Cross multiply
    392,493.60x = 588,999.60 × 224,013.60
  4. Step 4: Simplify right side
    392,493.60x = 131,943,920,794.56
  5. Step 5: Solve for x
    x = 131,943,920,794.56/392,493.60
  6. Step 6: Final answer
    x = 336,168.34

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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.