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Finding the Fourth Proportional to 668,734.20, 1,004,676 and 544,862.52

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Solution

The fourth proportional to 668,734.20, 1,004,676 and 544,862.52 is: 818,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,734.20 : 1,004,676 = 544,862.52 : x
  2. Step 2: Convert to fraction form
    668,734.20/1,004,676 = 544,862.52/x
  3. Step 3: Cross multiply
    668,734.20x = 1,004,676 × 544,862.52
  4. Step 4: Simplify right side
    668,734.20x = 547,410,297,143.52
  5. Step 5: Solve for x
    x = 547,410,297,143.52/668,734.20
  6. Step 6: Final answer
    x = 818,576.79

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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.