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Finding the Fourth Proportional to 796.71, 1,195.10 and 248.91

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Solution

The fourth proportional to 796.71, 1,195.10 and 248.91 is: 373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.71 : 1,195.10 = 248.91 : x
  2. Step 2: Convert to fraction form
    796.71/1,195.10 = 248.91/x
  3. Step 3: Cross multiply
    796.71x = 1,195.10 × 248.91
  4. Step 4: Simplify right side
    796.71x = 297,472.34
  5. Step 5: Solve for x
    x = 297,472.34/796.71
  6. Step 6: Final answer
    x = 373.38

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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.