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Finding the Fourth Proportional to 262.01, 392.61 and 174.13

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Solution

The fourth proportional to 262.01, 392.61 and 174.13 is: 260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.01 : 392.61 = 174.13 : x
  2. Step 2: Convert to fraction form
    262.01/392.61 = 174.13/x
  3. Step 3: Cross multiply
    262.01x = 392.61 × 174.13
  4. Step 4: Simplify right side
    262.01x = 68,365.18
  5. Step 5: Solve for x
    x = 68,365.18/262.01
  6. Step 6: Final answer
    x = 260.93

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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.