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Finding the Fourth Proportional to 925.63, 1,387.83 and 601.22

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Solution

The fourth proportional to 925.63, 1,387.83 and 601.22 is: 901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.63 : 1,387.83 = 601.22 : x
  2. Step 2: Convert to fraction form
    925.63/1,387.83 = 601.22/x
  3. Step 3: Cross multiply
    925.63x = 1,387.83 × 601.22
  4. Step 4: Simplify right side
    925.63x = 834,396.88
  5. Step 5: Solve for x
    x = 834,396.88/925.63
  6. Step 6: Final answer
    x = 901.44

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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.