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Finding the Fourth Proportional to 932.03, 1,398.01 and 384.24

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Solution

The fourth proportional to 932.03, 1,398.01 and 384.24 is: 576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.03 : 1,398.01 = 384.24 : x
  2. Step 2: Convert to fraction form
    932.03/1,398.01 = 384.24/x
  3. Step 3: Cross multiply
    932.03x = 1,398.01 × 384.24
  4. Step 4: Simplify right side
    932.03x = 537,171.36
  5. Step 5: Solve for x
    x = 537,171.36/932.03
  6. Step 6: Final answer
    x = 576.35

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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.