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Finding the Fourth Proportional to 680,863.80, 1,021,295.70 and 182,227.80

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Solution

The fourth proportional to 680,863.80, 1,021,295.70 and 182,227.80 is: 273,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,863.80 : 1,021,295.70 = 182,227.80 : x
  2. Step 2: Convert to fraction form
    680,863.80/1,021,295.70 = 182,227.80/x
  3. Step 3: Cross multiply
    680,863.80x = 1,021,295.70 × 182,227.80
  4. Step 4: Simplify right side
    680,863.80x = 186,108,468,560.46
  5. Step 5: Solve for x
    x = 186,108,468,560.46/680,863.80
  6. Step 6: Final answer
    x = 273,341.70

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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.