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Finding the Fourth Proportional to 932.24, 1,399.92 and 626.06

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Solution

The fourth proportional to 932.24, 1,399.92 and 626.06 is: 940.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.24 : 1,399.92 = 626.06 : x
  2. Step 2: Convert to fraction form
    932.24/1,399.92 = 626.06/x
  3. Step 3: Cross multiply
    932.24x = 1,399.92 × 626.06
  4. Step 4: Simplify right side
    932.24x = 876,433.92
  5. Step 5: Solve for x
    x = 876,433.92/932.24
  6. Step 6: Final answer
    x = 940.14

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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.