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Finding the Fourth Proportional to 283,947.20, 425,337.60 and 195,300.80

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Solution

The fourth proportional to 283,947.20, 425,337.60 and 195,300.80 is: 292,550.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,947.20 : 425,337.60 = 195,300.80 : x
  2. Step 2: Convert to fraction form
    283,947.20/425,337.60 = 195,300.80/x
  3. Step 3: Cross multiply
    283,947.20x = 425,337.60 × 195,300.80
  4. Step 4: Simplify right side
    283,947.20x = 83,068,773,550.08
  5. Step 5: Solve for x
    x = 83,068,773,550.08/283,947.20
  6. Step 6: Final answer
    x = 292,550.07

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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.