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Finding the Fourth Proportional to 429.36, 592.57 and 263.54

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Solution

The fourth proportional to 429.36, 592.57 and 263.54 is: 363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.36 : 592.57 = 263.54 : x
  2. Step 2: Convert to fraction form
    429.36/592.57 = 263.54/x
  3. Step 3: Cross multiply
    429.36x = 592.57 × 263.54
  4. Step 4: Simplify right side
    429.36x = 156,165.90
  5. Step 5: Solve for x
    x = 156,165.90/429.36
  6. Step 6: Final answer
    x = 363.72

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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.