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Finding the Fourth Proportional to 323,310.87, 484,966.26 and 98,672.46

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Solution

The fourth proportional to 323,310.87, 484,966.26 and 98,672.46 is: 148,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,310.87 : 484,966.26 = 98,672.46 : x
  2. Step 2: Convert to fraction form
    323,310.87/484,966.26 = 98,672.46/x
  3. Step 3: Cross multiply
    323,310.87x = 484,966.26 × 98,672.46
  4. Step 4: Simplify right side
    323,310.87x = 47,852,813,891.20
  5. Step 5: Solve for x
    x = 47,852,813,891.20/323,310.87
  6. Step 6: Final answer
    x = 148,008.68

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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.