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Finding the Fourth Proportional to 572,785.20, 859,177.80 and 481,546.80

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Solution

The fourth proportional to 572,785.20, 859,177.80 and 481,546.80 is: 722,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,785.20 : 859,177.80 = 481,546.80 : x
  2. Step 2: Convert to fraction form
    572,785.20/859,177.80 = 481,546.80/x
  3. Step 3: Cross multiply
    572,785.20x = 859,177.80 × 481,546.80
  4. Step 4: Simplify right side
    572,785.20x = 413,734,320,221.04
  5. Step 5: Solve for x
    x = 413,734,320,221.04/572,785.20
  6. Step 6: Final answer
    x = 722,320.20

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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.