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Finding the Fourth Proportional to 732.34, 1,098.52 and 299.26

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Solution

The fourth proportional to 732.34, 1,098.52 and 299.26 is: 448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.34 : 1,098.52 = 299.26 : x
  2. Step 2: Convert to fraction form
    732.34/1,098.52 = 299.26/x
  3. Step 3: Cross multiply
    732.34x = 1,098.52 × 299.26
  4. Step 4: Simplify right side
    732.34x = 328,743.10
  5. Step 5: Solve for x
    x = 328,743.10/732.34
  6. Step 6: Final answer
    x = 448.89

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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.