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Finding the Fourth Proportional to 296.96, 409.79 and 179.01

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Solution

The fourth proportional to 296.96, 409.79 and 179.01 is: 247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.96 : 409.79 = 179.01 : x
  2. Step 2: Convert to fraction form
    296.96/409.79 = 179.01/x
  3. Step 3: Cross multiply
    296.96x = 409.79 × 179.01
  4. Step 4: Simplify right side
    296.96x = 73,356.96
  5. Step 5: Solve for x
    x = 73,356.96/296.96
  6. Step 6: Final answer
    x = 247.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.