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Finding the Fourth Proportional to 594.25, 891.28 and 247.61

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Solution

The fourth proportional to 594.25, 891.28 and 247.61 is: 371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.25 : 891.28 = 247.61 : x
  2. Step 2: Convert to fraction form
    594.25/891.28 = 247.61/x
  3. Step 3: Cross multiply
    594.25x = 891.28 × 247.61
  4. Step 4: Simplify right side
    594.25x = 220,691.45
  5. Step 5: Solve for x
    x = 220,691.45/594.25
  6. Step 6: Final answer
    x = 371.38

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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.