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Finding the Fourth Proportional to 239,775.87, 359,663.20 and 225,160.64

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Solution

The fourth proportional to 239,775.87, 359,663.20 and 225,160.64 is: 337,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,775.87 : 359,663.20 = 225,160.64 : x
  2. Step 2: Convert to fraction form
    239,775.87/359,663.20 = 225,160.64/x
  3. Step 3: Cross multiply
    239,775.87x = 359,663.20 × 225,160.64
  4. Step 4: Simplify right side
    239,775.87x = 80,981,993,935.23
  5. Step 5: Solve for x
    x = 80,981,993,935.23/239,775.87
  6. Step 6: Final answer
    x = 337,740.38

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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.