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Finding the Fourth Proportional to 625,571.22, 863,287.42 and 339,091.24

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Solution

The fourth proportional to 625,571.22, 863,287.42 and 339,091.24 is: 467,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,571.22 : 863,287.42 = 339,091.24 : x
  2. Step 2: Convert to fraction form
    625,571.22/863,287.42 = 339,091.24/x
  3. Step 3: Cross multiply
    625,571.22x = 863,287.42 × 339,091.24
  4. Step 4: Simplify right side
    625,571.22x = 292,733,201,724.20
  5. Step 5: Solve for x
    x = 292,733,201,724.20/625,571.22
  6. Step 6: Final answer
    x = 467,945.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.