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Finding the Fourth Proportional to 252.65, 348.38 and 200.10

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Solution

The fourth proportional to 252.65, 348.38 and 200.10 is: 275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.65 : 348.38 = 200.10 : x
  2. Step 2: Convert to fraction form
    252.65/348.38 = 200.10/x
  3. Step 3: Cross multiply
    252.65x = 348.38 × 200.10
  4. Step 4: Simplify right side
    252.65x = 69,712.64
  5. Step 5: Solve for x
    x = 69,712.64/252.65
  6. Step 6: Final answer
    x = 275.93

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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.