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Finding the Fourth Proportional to 925.32, 1,277.40 and 594.31

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Solution

The fourth proportional to 925.32, 1,277.40 and 594.31 is: 820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.32 : 1,277.40 = 594.31 : x
  2. Step 2: Convert to fraction form
    925.32/1,277.40 = 594.31/x
  3. Step 3: Cross multiply
    925.32x = 1,277.40 × 594.31
  4. Step 4: Simplify right side
    925.32x = 759,171.60
  5. Step 5: Solve for x
    x = 759,171.60/925.32
  6. Step 6: Final answer
    x = 820.44

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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.