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Finding the Fourth Proportional to 296.06, 443.95 and 133.64

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Solution

The fourth proportional to 296.06, 443.95 and 133.64 is: 200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.06 : 443.95 = 133.64 : x
  2. Step 2: Convert to fraction form
    296.06/443.95 = 133.64/x
  3. Step 3: Cross multiply
    296.06x = 443.95 × 133.64
  4. Step 4: Simplify right side
    296.06x = 59,329.48
  5. Step 5: Solve for x
    x = 59,329.48/296.06
  6. Step 6: Final answer
    x = 200.40

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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.