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Finding the Fourth Proportional to 297,816.20, 446,724.30 and 247,077.80

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Solution

The fourth proportional to 297,816.20, 446,724.30 and 247,077.80 is: 370,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,816.20 : 446,724.30 = 247,077.80 : x
  2. Step 2: Convert to fraction form
    297,816.20/446,724.30 = 247,077.80/x
  3. Step 3: Cross multiply
    297,816.20x = 446,724.30 × 247,077.80
  4. Step 4: Simplify right side
    297,816.20x = 110,375,657,250.54
  5. Step 5: Solve for x
    x = 110,375,657,250.54/297,816.20
  6. Step 6: Final answer
    x = 370,616.70

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1.5x scale

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.