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Finding the Fourth Proportional to 247,282.80, 370,924.20 and 194,138.70

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Solution

The fourth proportional to 247,282.80, 370,924.20 and 194,138.70 is: 291,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,282.80 : 370,924.20 = 194,138.70 : x
  2. Step 2: Convert to fraction form
    247,282.80/370,924.20 = 194,138.70/x
  3. Step 3: Cross multiply
    247,282.80x = 370,924.20 × 194,138.70
  4. Step 4: Simplify right side
    247,282.80x = 72,010,741,986.54
  5. Step 5: Solve for x
    x = 72,010,741,986.54/247,282.80
  6. Step 6: Final answer
    x = 291,208.05

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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.