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Finding the Fourth Proportional to 367,262.72, 506,825.28 and 239,863.04

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Solution

The fourth proportional to 367,262.72, 506,825.28 and 239,863.04 is: 331,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,262.72 : 506,825.28 = 239,863.04 : x
  2. Step 2: Convert to fraction form
    367,262.72/506,825.28 = 239,863.04/x
  3. Step 3: Cross multiply
    367,262.72x = 506,825.28 × 239,863.04
  4. Step 4: Simplify right side
    367,262.72x = 121,568,652,409.65
  5. Step 5: Solve for x
    x = 121,568,652,409.65/367,262.72
  6. Step 6: Final answer
    x = 331,012.78

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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.