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Finding the Fourth Proportional to 932.96, 1,398.96 and 500.32

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Solution

The fourth proportional to 932.96, 1,398.96 and 500.32 is: 750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.96 : 1,398.96 = 500.32 : x
  2. Step 2: Convert to fraction form
    932.96/1,398.96 = 500.32/x
  3. Step 3: Cross multiply
    932.96x = 1,398.96 × 500.32
  4. Step 4: Simplify right side
    932.96x = 699,927.67
  5. Step 5: Solve for x
    x = 699,927.67/932.96
  6. Step 6: Final answer
    x = 750.22

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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.