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Finding the Fourth Proportional to 429.18, 592.23 and 263.44

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Solution

The fourth proportional to 429.18, 592.23 and 263.44 is: 363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.18 : 592.23 = 263.44 : x
  2. Step 2: Convert to fraction form
    429.18/592.23 = 263.44/x
  3. Step 3: Cross multiply
    429.18x = 592.23 × 263.44
  4. Step 4: Simplify right side
    429.18x = 156,017.07
  5. Step 5: Solve for x
    x = 156,017.07/429.18
  6. Step 6: Final answer
    x = 363.52

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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.