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Finding the Fourth Proportional to 567,115.20, 850,672.80 and 173,131.20

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Solution

The fourth proportional to 567,115.20, 850,672.80 and 173,131.20 is: 259,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,115.20 : 850,672.80 = 173,131.20 : x
  2. Step 2: Convert to fraction form
    567,115.20/850,672.80 = 173,131.20/x
  3. Step 3: Cross multiply
    567,115.20x = 850,672.80 × 173,131.20
  4. Step 4: Simplify right side
    567,115.20x = 147,278,002,671.36
  5. Step 5: Solve for x
    x = 147,278,002,671.36/567,115.20
  6. Step 6: Final answer
    x = 259,696.80

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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.