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Finding the Fourth Proportional to 262.59, 362.38 and 152.07

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Solution

The fourth proportional to 262.59, 362.38 and 152.07 is: 209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.59 : 362.38 = 152.07 : x
  2. Step 2: Convert to fraction form
    262.59/362.38 = 152.07/x
  3. Step 3: Cross multiply
    262.59x = 362.38 × 152.07
  4. Step 4: Simplify right side
    262.59x = 55,107.13
  5. Step 5: Solve for x
    x = 55,107.13/262.59
  6. Step 6: Final answer
    x = 209.86

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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.