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Finding the Fourth Proportional to 262.90, 362.76 and 175.48

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Solution

The fourth proportional to 262.90, 362.76 and 175.48 is: 242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.90 : 362.76 = 175.48 : x
  2. Step 2: Convert to fraction form
    262.90/362.76 = 175.48/x
  3. Step 3: Cross multiply
    262.90x = 362.76 × 175.48
  4. Step 4: Simplify right side
    262.90x = 63,657.12
  5. Step 5: Solve for x
    x = 63,657.12/262.90
  6. Step 6: Final answer
    x = 242.13

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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.