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Finding the Fourth Proportional to 294.03, 404.64 and 234.81

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Solution

The fourth proportional to 294.03, 404.64 and 234.81 is: 323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.03 : 404.64 = 234.81 : x
  2. Step 2: Convert to fraction form
    294.03/404.64 = 234.81/x
  3. Step 3: Cross multiply
    294.03x = 404.64 × 234.81
  4. Step 4: Simplify right side
    294.03x = 95,013.52
  5. Step 5: Solve for x
    x = 95,013.52/294.03
  6. Step 6: Final answer
    x = 323.14

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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.