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Finding the Fourth Proportional to 229,337.20, 344,005.80 and 220,151.80

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Solution

The fourth proportional to 229,337.20, 344,005.80 and 220,151.80 is: 330,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,337.20 : 344,005.80 = 220,151.80 : x
  2. Step 2: Convert to fraction form
    229,337.20/344,005.80 = 220,151.80/x
  3. Step 3: Cross multiply
    229,337.20x = 344,005.80 × 220,151.80
  4. Step 4: Simplify right side
    229,337.20x = 75,733,496,080.44
  5. Step 5: Solve for x
    x = 75,733,496,080.44/229,337.20
  6. Step 6: Final answer
    x = 330,227.70

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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.