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Finding the Fourth Proportional to 429.24, 592.36 and 232.76

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Solution

The fourth proportional to 429.24, 592.36 and 232.76 is: 321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.24 : 592.36 = 232.76 : x
  2. Step 2: Convert to fraction form
    429.24/592.36 = 232.76/x
  3. Step 3: Cross multiply
    429.24x = 592.36 × 232.76
  4. Step 4: Simplify right side
    429.24x = 137,874.17
  5. Step 5: Solve for x
    x = 137,874.17/429.24
  6. Step 6: Final answer
    x = 321.20

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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.