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Finding the Fourth Proportional to 932.07, 1,398.11 and 500.07

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Solution

The fourth proportional to 932.07, 1,398.11 and 500.07 is: 750.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.07 : 1,398.11 = 500.07 : x
  2. Step 2: Convert to fraction form
    932.07/1,398.11 = 500.07/x
  3. Step 3: Cross multiply
    932.07x = 1,398.11 × 500.07
  4. Step 4: Simplify right side
    932.07x = 699,152.87
  5. Step 5: Solve for x
    x = 699,152.87/932.07
  6. Step 6: Final answer
    x = 750.11

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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.