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Finding the Fourth Proportional to 732.41, 1,098.80 and 263.93

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Solution

The fourth proportional to 732.41, 1,098.80 and 263.93 is: 395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.41 : 1,098.80 = 263.93 : x
  2. Step 2: Convert to fraction form
    732.41/1,098.80 = 263.93/x
  3. Step 3: Cross multiply
    732.41x = 1,098.80 × 263.93
  4. Step 4: Simplify right side
    732.41x = 290,006.28
  5. Step 5: Solve for x
    x = 290,006.28/732.41
  6. Step 6: Final answer
    x = 395.96

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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.