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Finding the Fourth Proportional to 565,747.20, 848,620.80 and 543,974.40

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Solution

The fourth proportional to 565,747.20, 848,620.80 and 543,974.40 is: 815,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,747.20 : 848,620.80 = 543,974.40 : x
  2. Step 2: Convert to fraction form
    565,747.20/848,620.80 = 543,974.40/x
  3. Step 3: Cross multiply
    565,747.20x = 848,620.80 × 543,974.40
  4. Step 4: Simplify right side
    565,747.20x = 461,627,990,507.52
  5. Step 5: Solve for x
    x = 461,627,990,507.52/565,747.20
  6. Step 6: Final answer
    x = 815,961.60

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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.