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Finding the Fourth Proportional to 932.36, 1,287.24 and 596.30

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Solution

The fourth proportional to 932.36, 1,287.24 and 596.30 is: 823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.36 : 1,287.24 = 596.30 : x
  2. Step 2: Convert to fraction form
    932.36/1,287.24 = 596.30/x
  3. Step 3: Cross multiply
    932.36x = 1,287.24 × 596.30
  4. Step 4: Simplify right side
    932.36x = 767,581.21
  5. Step 5: Solve for x
    x = 767,581.21/932.36
  6. Step 6: Final answer
    x = 823.27

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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.