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Finding the Fourth Proportional to 792.71, 1,189.05 and 244.83

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Solution

The fourth proportional to 792.71, 1,189.05 and 244.83 is: 367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.71 : 1,189.05 = 244.83 : x
  2. Step 2: Convert to fraction form
    792.71/1,189.05 = 244.83/x
  3. Step 3: Cross multiply
    792.71x = 1,189.05 × 244.83
  4. Step 4: Simplify right side
    792.71x = 291,110.65
  5. Step 5: Solve for x
    x = 291,110.65/792.71
  6. Step 6: Final answer
    x = 367.24

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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.