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Finding the Fourth Proportional to 450,205.26, 675,007.92 and 247,896.66

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Solution

The fourth proportional to 450,205.26, 675,007.92 and 247,896.66 is: 371,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,205.26 : 675,007.92 = 247,896.66 : x
  2. Step 2: Convert to fraction form
    450,205.26/675,007.92 = 247,896.66/x
  3. Step 3: Cross multiply
    450,205.26x = 675,007.92 × 247,896.66
  4. Step 4: Simplify right side
    450,205.26x = 167,332,208,841.55
  5. Step 5: Solve for x
    x = 167,332,208,841.55/450,205.26
  6. Step 6: Final answer
    x = 371,679.82

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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.