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Finding the Fourth Proportional to 293.70, 440.19 and 176.22

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Solution

The fourth proportional to 293.70, 440.19 and 176.22 is: 264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.70 : 440.19 = 176.22 : x
  2. Step 2: Convert to fraction form
    293.70/440.19 = 176.22/x
  3. Step 3: Cross multiply
    293.70x = 440.19 × 176.22
  4. Step 4: Simplify right side
    293.70x = 77,570.28
  5. Step 5: Solve for x
    x = 77,570.28/293.70
  6. Step 6: Final answer
    x = 264.11

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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.