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Finding the Fourth Proportional to 262.96, 392.17 and 244.74

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Solution

The fourth proportional to 262.96, 392.17 and 244.74 is: 365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.96 : 392.17 = 244.74 : x
  2. Step 2: Convert to fraction form
    262.96/392.17 = 244.74/x
  3. Step 3: Cross multiply
    262.96x = 392.17 × 244.74
  4. Step 4: Simplify right side
    262.96x = 95,979.69
  5. Step 5: Solve for x
    x = 95,979.69/262.96
  6. Step 6: Final answer
    x = 365.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.