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Finding the Fourth Proportional to 1,986,258.07, 2,979,414.79 and 566,314.15

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Solution

The fourth proportional to 1,986,258.07, 2,979,414.79 and 566,314.15 is: 849,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,258.07 : 2,979,414.79 = 566,314.15 : x
  2. Step 2: Convert to fraction form
    1,986,258.07/2,979,414.79 = 566,314.15/x
  3. Step 3: Cross multiply
    1,986,258.07x = 2,979,414.79 × 566,314.15
  4. Step 4: Simplify right side
    1,986,258.07x = 1,687,284,745,431.96
  5. Step 5: Solve for x
    x = 1,687,284,745,431.96/1,986,258.07
  6. Step 6: Final answer
    x = 849,479.12

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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.