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Finding the Fourth Proportional to 908.97, 1,253.88 and 594.14

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Solution

The fourth proportional to 908.97, 1,253.88 and 594.14 is: 819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    908.97 : 1,253.88 = 594.14 : x
  2. Step 2: Convert to fraction form
    908.97/1,253.88 = 594.14/x
  3. Step 3: Cross multiply
    908.97x = 1,253.88 × 594.14
  4. Step 4: Simplify right side
    908.97x = 744,973.99
  5. Step 5: Solve for x
    x = 744,973.99/908.97
  6. Step 6: Final answer
    x = 819.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.