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Finding the Fourth Proportional to 925.31, 1,276.34 and 594.15

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Solution

The fourth proportional to 925.31, 1,276.34 and 594.15 is: 819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.31 : 1,276.34 = 594.15 : x
  2. Step 2: Convert to fraction form
    925.31/1,276.34 = 594.15/x
  3. Step 3: Cross multiply
    925.31x = 1,276.34 × 594.15
  4. Step 4: Simplify right side
    925.31x = 758,334.44
  5. Step 5: Solve for x
    x = 758,334.44/925.31
  6. Step 6: Final answer
    x = 819.55

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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.