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Finding the Fourth Proportional to 881,572.80, 1,322,359.20 and 838,027.20

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Solution

The fourth proportional to 881,572.80, 1,322,359.20 and 838,027.20 is: 1,257,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,572.80 : 1,322,359.20 = 838,027.20 : x
  2. Step 2: Convert to fraction form
    881,572.80/1,322,359.20 = 838,027.20/x
  3. Step 3: Cross multiply
    881,572.80x = 1,322,359.20 × 838,027.20
  4. Step 4: Simplify right side
    881,572.80x = 1,108,172,977,770.24
  5. Step 5: Solve for x
    x = 1,108,172,977,770.24/881,572.80
  6. Step 6: Final answer
    x = 1,257,040.80

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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.