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Finding the Fourth Proportional to 967.65, 1,451.45 and 237.22

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Solution

The fourth proportional to 967.65, 1,451.45 and 237.22 is: 355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.65 : 1,451.45 = 237.22 : x
  2. Step 2: Convert to fraction form
    967.65/1,451.45 = 237.22/x
  3. Step 3: Cross multiply
    967.65x = 1,451.45 × 237.22
  4. Step 4: Simplify right side
    967.65x = 344,315.38
  5. Step 5: Solve for x
    x = 344,315.38/967.65
  6. Step 6: Final answer
    x = 355.83

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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.