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Finding the Fourth Proportional to 732.03, 1,098.09 and 299.22

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Solution

The fourth proportional to 732.03, 1,098.09 and 299.22 is: 448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.03 : 1,098.09 = 299.22 : x
  2. Step 2: Convert to fraction form
    732.03/1,098.09 = 299.22/x
  3. Step 3: Cross multiply
    732.03x = 1,098.09 × 299.22
  4. Step 4: Simplify right side
    732.03x = 328,570.49
  5. Step 5: Solve for x
    x = 328,570.49/732.03
  6. Step 6: Final answer
    x = 448.85

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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.