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Finding the Fourth Proportional to 592.38, 888.75 and 398.16

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Solution

The fourth proportional to 592.38, 888.75 and 398.16 is: 597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.38 : 888.75 = 398.16 : x
  2. Step 2: Convert to fraction form
    592.38/888.75 = 398.16/x
  3. Step 3: Cross multiply
    592.38x = 888.75 × 398.16
  4. Step 4: Simplify right side
    592.38x = 353,864.70
  5. Step 5: Solve for x
    x = 353,864.70/592.38
  6. Step 6: Final answer
    x = 597.36

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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.