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Finding the Fourth Proportional to 369,793.80, 554,253.30 and 192,209.40

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Solution

The fourth proportional to 369,793.80, 554,253.30 and 192,209.40 is: 288,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,793.80 : 554,253.30 = 192,209.40 : x
  2. Step 2: Convert to fraction form
    369,793.80/554,253.30 = 192,209.40/x
  3. Step 3: Cross multiply
    369,793.80x = 554,253.30 × 192,209.40
  4. Step 4: Simplify right side
    369,793.80x = 106,532,694,241.02
  5. Step 5: Solve for x
    x = 106,532,694,241.02/369,793.80
  6. Step 6: Final answer
    x = 288,086.75

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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.