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Finding the Fourth Proportional to 1,656,745.88, 2,481,871.02 and 858,551

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Solution

The fourth proportional to 1,656,745.88, 2,481,871.02 and 858,551 is: 1,286,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,745.88 : 2,481,871.02 = 858,551 : x
  2. Step 2: Convert to fraction form
    1,656,745.88/2,481,871.02 = 858,551/x
  3. Step 3: Cross multiply
    1,656,745.88x = 2,481,871.02 × 858,551
  4. Step 4: Simplify right side
    1,656,745.88x = 2,130,812,846,092.02
  5. Step 5: Solve for x
    x = 2,130,812,846,092.02/1,656,745.88
  6. Step 6: Final answer
    x = 1,286,143.44

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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.