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Finding the Fourth Proportional to 304,385.80, 454,378.97 and 267,061

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Solution

The fourth proportional to 304,385.80, 454,378.97 and 267,061 is: 398,661.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,385.80 : 454,378.97 = 267,061 : x
  2. Step 2: Convert to fraction form
    304,385.80/454,378.97 = 267,061/x
  3. Step 3: Cross multiply
    304,385.80x = 454,378.97 × 267,061
  4. Step 4: Simplify right side
    304,385.80x = 121,346,902,107.17
  5. Step 5: Solve for x
    x = 121,346,902,107.17/304,385.80
  6. Step 6: Final answer
    x = 398,661.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.