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Finding the Fourth Proportional to 429.74, 592.76 and 263.89

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Solution

The fourth proportional to 429.74, 592.76 and 263.89 is: 363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.74 : 592.76 = 263.89 : x
  2. Step 2: Convert to fraction form
    429.74/592.76 = 263.89/x
  3. Step 3: Cross multiply
    429.74x = 592.76 × 263.89
  4. Step 4: Simplify right side
    429.74x = 156,419.15
  5. Step 5: Solve for x
    x = 156,419.15/429.74
  6. Step 6: Final answer
    x = 363.99

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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.