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Finding the Fourth Proportional to 322,937.19, 484,438.82 and 123,425.51

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Solution

The fourth proportional to 322,937.19, 484,438.82 and 123,425.51 is: 185,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,937.19 : 484,438.82 = 123,425.51 : x
  2. Step 2: Convert to fraction form
    322,937.19/484,438.82 = 123,425.51/x
  3. Step 3: Cross multiply
    322,937.19x = 484,438.82 × 123,425.51
  4. Step 4: Simplify right side
    322,937.19x = 59,792,105,382.98
  5. Step 5: Solve for x
    x = 59,792,105,382.98/322,937.19
  6. Step 6: Final answer
    x = 185,150.88

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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.