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Finding the Fourth Proportional to 591,410.80, 887,116.20 and 192,064.60

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Solution

The fourth proportional to 591,410.80, 887,116.20 and 192,064.60 is: 288,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,410.80 : 887,116.20 = 192,064.60 : x
  2. Step 2: Convert to fraction form
    591,410.80/887,116.20 = 192,064.60/x
  3. Step 3: Cross multiply
    591,410.80x = 887,116.20 × 192,064.60
  4. Step 4: Simplify right side
    591,410.80x = 170,383,618,106.52
  5. Step 5: Solve for x
    x = 170,383,618,106.52/591,410.80
  6. Step 6: Final answer
    x = 288,096.90

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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.