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Finding the Fourth Proportional to 484,594.45, 726,891.50 and 129,599.24

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Solution

The fourth proportional to 484,594.45, 726,891.50 and 129,599.24 is: 194,398.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,594.45 : 726,891.50 = 129,599.24 : x
  2. Step 2: Convert to fraction form
    484,594.45/726,891.50 = 129,599.24/x
  3. Step 3: Cross multiply
    484,594.45x = 726,891.50 × 129,599.24
  4. Step 4: Simplify right side
    484,594.45x = 94,204,586,740.77
  5. Step 5: Solve for x
    x = 94,204,586,740.77/484,594.45
  6. Step 6: Final answer
    x = 194,398.82

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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.