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Finding the Fourth Proportional to 296.06, 443.84 and 113.40

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Solution

The fourth proportional to 296.06, 443.84 and 113.40 is: 170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.06 : 443.84 = 113.40 : x
  2. Step 2: Convert to fraction form
    296.06/443.84 = 113.40/x
  3. Step 3: Cross multiply
    296.06x = 443.84 × 113.40
  4. Step 4: Simplify right side
    296.06x = 50,330.89
  5. Step 5: Solve for x
    x = 50,330.89/296.06
  6. Step 6: Final answer
    x = 170.01

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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.