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Finding the Fourth Proportional to 296,046.20, 444,069.30 and 207,399.80

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Solution

The fourth proportional to 296,046.20, 444,069.30 and 207,399.80 is: 311,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,046.20 : 444,069.30 = 207,399.80 : x
  2. Step 2: Convert to fraction form
    296,046.20/444,069.30 = 207,399.80/x
  3. Step 3: Cross multiply
    296,046.20x = 444,069.30 × 207,399.80
  4. Step 4: Simplify right side
    296,046.20x = 92,099,884,006.14
  5. Step 5: Solve for x
    x = 92,099,884,006.14/296,046.20
  6. Step 6: Final answer
    x = 311,099.70

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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.