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Finding the Fourth Proportional to 307,572.40, 461,704.20 and 237,761.20

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Solution

The fourth proportional to 307,572.40, 461,704.20 and 237,761.20 is: 356,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,572.40 : 461,704.20 = 237,761.20 : x
  2. Step 2: Convert to fraction form
    307,572.40/461,704.20 = 237,761.20/x
  3. Step 3: Cross multiply
    307,572.40x = 461,704.20 × 237,761.20
  4. Step 4: Simplify right side
    307,572.40x = 109,775,344,637.04
  5. Step 5: Solve for x
    x = 109,775,344,637.04/307,572.40
  6. Step 6: Final answer
    x = 356,908.96

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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.