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Finding the Fourth Proportional to 1,324,664.67, 1,987,139.22 and 566,584.86

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Solution

The fourth proportional to 1,324,664.67, 1,987,139.22 and 566,584.86 is: 849,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,664.67 : 1,987,139.22 = 566,584.86 : x
  2. Step 2: Convert to fraction form
    1,324,664.67/1,987,139.22 = 566,584.86/x
  3. Step 3: Cross multiply
    1,324,664.67x = 1,987,139.22 × 566,584.86
  4. Step 4: Simplify right side
    1,324,664.67x = 1,125,882,996,764.21
  5. Step 5: Solve for x
    x = 1,125,882,996,764.21/1,324,664.67
  6. Step 6: Final answer
    x = 849,938.12

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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.