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Finding the Fourth Proportional to 296.02, 443.82 and 133.72

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Solution

The fourth proportional to 296.02, 443.82 and 133.72 is: 200.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.02 : 443.82 = 133.72 : x
  2. Step 2: Convert to fraction form
    296.02/443.82 = 133.72/x
  3. Step 3: Cross multiply
    296.02x = 443.82 × 133.72
  4. Step 4: Simplify right side
    296.02x = 59,347.61
  5. Step 5: Solve for x
    x = 59,347.61/296.02
  6. Step 6: Final answer
    x = 200.49

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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.