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Finding the Fourth Proportional to 732.11, 1,096.93 and 442.94

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Solution

The fourth proportional to 732.11, 1,096.93 and 442.94 is: 663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.11 : 1,096.93 = 442.94 : x
  2. Step 2: Convert to fraction form
    732.11/1,096.93 = 442.94/x
  3. Step 3: Cross multiply
    732.11x = 1,096.93 × 442.94
  4. Step 4: Simplify right side
    732.11x = 485,871.96
  5. Step 5: Solve for x
    x = 485,871.96/732.11
  6. Step 6: Final answer
    x = 663.66

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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.