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Finding the Fourth Proportional to 467,857.20, 701,785.80 and 255,280.80

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Solution

The fourth proportional to 467,857.20, 701,785.80 and 255,280.80 is: 382,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,857.20 : 701,785.80 = 255,280.80 : x
  2. Step 2: Convert to fraction form
    467,857.20/701,785.80 = 255,280.80/x
  3. Step 3: Cross multiply
    467,857.20x = 701,785.80 × 255,280.80
  4. Step 4: Simplify right side
    467,857.20x = 179,152,440,452.64
  5. Step 5: Solve for x
    x = 179,152,440,452.64/467,857.20
  6. Step 6: Final answer
    x = 382,921.20

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Similar ratio
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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.