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Finding the Fourth Proportional to 362,454.80, 543,147.60 and 262,824.80

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Solution

The fourth proportional to 362,454.80, 543,147.60 and 262,824.80 is: 393,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,454.80 : 543,147.60 = 262,824.80 : x
  2. Step 2: Convert to fraction form
    362,454.80/543,147.60 = 262,824.80/x
  3. Step 3: Cross multiply
    362,454.80x = 543,147.60 × 262,824.80
  4. Step 4: Simplify right side
    362,454.80x = 142,752,659,340.48
  5. Step 5: Solve for x
    x = 142,752,659,340.48/362,454.80
  6. Step 6: Final answer
    x = 393,849.55

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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.