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Finding the Fourth Proportional to 231,451.60, 347,695.80 and 222,005.20

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Solution

The fourth proportional to 231,451.60, 347,695.80 and 222,005.20 is: 333,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,451.60 : 347,695.80 = 222,005.20 : x
  2. Step 2: Convert to fraction form
    231,451.60/347,695.80 = 222,005.20/x
  3. Step 3: Cross multiply
    231,451.60x = 347,695.80 × 222,005.20
  4. Step 4: Simplify right side
    231,451.60x = 77,190,275,618.16
  5. Step 5: Solve for x
    x = 77,190,275,618.16/231,451.60
  6. Step 6: Final answer
    x = 333,505.04

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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.