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Finding the Fourth Proportional to 1,986,382.54, 2,979,601.29 and 566,438.44

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Solution

The fourth proportional to 1,986,382.54, 2,979,601.29 and 566,438.44 is: 849,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,382.54 : 2,979,601.29 = 566,438.44 : x
  2. Step 2: Convert to fraction form
    1,986,382.54/2,979,601.29 = 566,438.44/x
  3. Step 3: Cross multiply
    1,986,382.54x = 2,979,601.29 × 566,438.44
  4. Step 4: Simplify right side
    1,986,382.54x = 1,687,760,706,529.59
  5. Step 5: Solve for x
    x = 1,687,760,706,529.59/1,986,382.54
  6. Step 6: Final answer
    x = 849,665.50

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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.