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Finding the Fourth Proportional to 948,314.20, 1,422,471.30 and 948,314.20

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Solution

The fourth proportional to 948,314.20, 1,422,471.30 and 948,314.20 is: 1,422,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,314.20 : 1,422,471.30 = 948,314.20 : x
  2. Step 2: Convert to fraction form
    948,314.20/1,422,471.30 = 948,314.20/x
  3. Step 3: Cross multiply
    948,314.20x = 1,422,471.30 × 948,314.20
  4. Step 4: Simplify right side
    948,314.20x = 1,348,949,732,882.46
  5. Step 5: Solve for x
    x = 1,348,949,732,882.46/948,314.20
  6. Step 6: Final answer
    x = 1,422,471.30

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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.