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Finding the Fourth Proportional to 262, 392.08 and 227.84

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Solution

The fourth proportional to 262, 392.08 and 227.84 is: 340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    262 : 392.08 = 227.84 : x
  2. Step 2: Convert to fraction form
    262/392.08 = 227.84/x
  3. Step 3: Cross multiply
    262x = 392.08 × 227.84
  4. Step 4: Simplify right side
    262x = 89,331.51
  5. Step 5: Solve for x
    x = 89,331.51/262
  6. Step 6: Final answer
    x = 340.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.