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Finding the Fourth Proportional to 293.04, 404.40 and 176.64

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Solution

The fourth proportional to 293.04, 404.40 and 176.64 is: 243.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.04 : 404.40 = 176.64 : x
  2. Step 2: Convert to fraction form
    293.04/404.40 = 176.64/x
  3. Step 3: Cross multiply
    293.04x = 404.40 × 176.64
  4. Step 4: Simplify right side
    293.04x = 71,433.22
  5. Step 5: Solve for x
    x = 71,433.22/293.04
  6. Step 6: Final answer
    x = 243.77

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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.