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Finding the Fourth Proportional to 252.40, 348.48 and 182.58

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Solution

The fourth proportional to 252.40, 348.48 and 182.58 is: 252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.40 : 348.48 = 182.58 : x
  2. Step 2: Convert to fraction form
    252.40/348.48 = 182.58/x
  3. Step 3: Cross multiply
    252.40x = 348.48 × 182.58
  4. Step 4: Simplify right side
    252.40x = 63,625.48
  5. Step 5: Solve for x
    x = 63,625.48/252.40
  6. Step 6: Final answer
    x = 252.08

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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.