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Finding the Fourth Proportional to 262.54, 362.28 and 152.00

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Solution

The fourth proportional to 262.54, 362.28 and 152.00 is: 209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.54 : 362.28 = 152.00 : x
  2. Step 2: Convert to fraction form
    262.54/362.28 = 152.00/x
  3. Step 3: Cross multiply
    262.54x = 362.28 × 152.00
  4. Step 4: Simplify right side
    262.54x = 55,066.25
  5. Step 5: Solve for x
    x = 55,066.25/262.54
  6. Step 6: Final answer
    x = 209.74

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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.