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Finding the Fourth Proportional to 262.61, 362.36 and 152.04

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Solution

The fourth proportional to 262.61, 362.36 and 152.04 is: 209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.61 : 362.36 = 152.04 : x
  2. Step 2: Convert to fraction form
    262.61/362.36 = 152.04/x
  3. Step 3: Cross multiply
    262.61x = 362.36 × 152.04
  4. Step 4: Simplify right side
    262.61x = 55,092.45
  5. Step 5: Solve for x
    x = 55,092.45/262.61
  6. Step 6: Final answer
    x = 209.79

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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.