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Finding the Fourth Proportional to 429.25, 592.66 and 263.51

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Solution

The fourth proportional to 429.25, 592.66 and 263.51 is: 363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.25 : 592.66 = 263.51 : x
  2. Step 2: Convert to fraction form
    429.25/592.66 = 263.51/x
  3. Step 3: Cross multiply
    429.25x = 592.66 × 263.51
  4. Step 4: Simplify right side
    429.25x = 156,171.84
  5. Step 5: Solve for x
    x = 156,171.84/429.25
  6. Step 6: Final answer
    x = 363.83

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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.