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Finding the Fourth Proportional to 440,053.54, 659,974.61 and 203,168.62

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Solution

The fourth proportional to 440,053.54, 659,974.61 and 203,168.62 is: 304,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,053.54 : 659,974.61 = 203,168.62 : x
  2. Step 2: Convert to fraction form
    440,053.54/659,974.61 = 203,168.62/x
  3. Step 3: Cross multiply
    440,053.54x = 659,974.61 × 203,168.62
  4. Step 4: Simplify right side
    440,053.54x = 134,086,127,448.87
  5. Step 5: Solve for x
    x = 134,086,127,448.87/440,053.54
  6. Step 6: Final answer
    x = 304,704.13

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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.