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Finding the Fourth Proportional to 293.13, 404.53 and 176.63

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Solution

The fourth proportional to 293.13, 404.53 and 176.63 is: 243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.13 : 404.53 = 176.63 : x
  2. Step 2: Convert to fraction form
    293.13/404.53 = 176.63/x
  3. Step 3: Cross multiply
    293.13x = 404.53 × 176.63
  4. Step 4: Simplify right side
    293.13x = 71,450.11
  5. Step 5: Solve for x
    x = 71,450.11/293.13
  6. Step 6: Final answer
    x = 243.75

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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.