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Finding the Fourth Proportional to 537,278.80, 804,996.60 and 256,190.80

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Solution

The fourth proportional to 537,278.80, 804,996.60 and 256,190.80 is: 383,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,278.80 : 804,996.60 = 256,190.80 : x
  2. Step 2: Convert to fraction form
    537,278.80/804,996.60 = 256,190.80/x
  3. Step 3: Cross multiply
    537,278.80x = 804,996.60 × 256,190.80
  4. Step 4: Simplify right side
    537,278.80x = 206,232,722,951.28
  5. Step 5: Solve for x
    x = 206,232,722,951.28/537,278.80
  6. Step 6: Final answer
    x = 383,846.75

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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.