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Finding the Fourth Proportional to 429.24, 592.36 and 254.60

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Solution

The fourth proportional to 429.24, 592.36 and 254.60 is: 351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.24 : 592.36 = 254.60 : x
  2. Step 2: Convert to fraction form
    429.24/592.36 = 254.60/x
  3. Step 3: Cross multiply
    429.24x = 592.36 × 254.60
  4. Step 4: Simplify right side
    429.24x = 150,814.86
  5. Step 5: Solve for x
    x = 150,814.86/429.24
  6. Step 6: Final answer
    x = 351.35

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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.