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Finding the Fourth Proportional to 278,350.80, 417,348.60 and 183,471.44

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Solution

The fourth proportional to 278,350.80, 417,348.60 and 183,471.44 is: 275,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,350.80 : 417,348.60 = 183,471.44 : x
  2. Step 2: Convert to fraction form
    278,350.80/417,348.60 = 183,471.44/x
  3. Step 3: Cross multiply
    278,350.80x = 417,348.60 × 183,471.44
  4. Step 4: Simplify right side
    278,350.80x = 76,571,548,623.98
  5. Step 5: Solve for x
    x = 76,571,548,623.98/278,350.80
  6. Step 6: Final answer
    x = 275,090.10

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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.