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Finding the Fourth Proportional to 429.23, 592.45 and 252.22

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Solution

The fourth proportional to 429.23, 592.45 and 252.22 is: 348.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.23 : 592.45 = 252.22 : x
  2. Step 2: Convert to fraction form
    429.23/592.45 = 252.22/x
  3. Step 3: Cross multiply
    429.23x = 592.45 × 252.22
  4. Step 4: Simplify right side
    429.23x = 149,427.74
  5. Step 5: Solve for x
    x = 149,427.74/429.23
  6. Step 6: Final answer
    x = 348.13

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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.