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Finding the Fourth Proportional to 429.36, 592.52 and 232.87

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Solution

The fourth proportional to 429.36, 592.52 and 232.87 is: 321.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.36 : 592.52 = 232.87 : x
  2. Step 2: Convert to fraction form
    429.36/592.52 = 232.87/x
  3. Step 3: Cross multiply
    429.36x = 592.52 × 232.87
  4. Step 4: Simplify right side
    429.36x = 137,980.13
  5. Step 5: Solve for x
    x = 137,980.13/429.36
  6. Step 6: Final answer
    x = 321.36

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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.