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Finding the Fourth Proportional to 798.73, 1,102.62 and 467.11

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Solution

The fourth proportional to 798.73, 1,102.62 and 467.11 is: 644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.73 : 1,102.62 = 467.11 : x
  2. Step 2: Convert to fraction form
    798.73/1,102.62 = 467.11/x
  3. Step 3: Cross multiply
    798.73x = 1,102.62 × 467.11
  4. Step 4: Simplify right side
    798.73x = 515,044.83
  5. Step 5: Solve for x
    x = 515,044.83/798.73
  6. Step 6: Final answer
    x = 644.83

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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.