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Finding the Fourth Proportional to 439,470.54, 606,481.29 and 248,512.50

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Solution

The fourth proportional to 439,470.54, 606,481.29 and 248,512.50 is: 342,954.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,470.54 : 606,481.29 = 248,512.50 : x
  2. Step 2: Convert to fraction form
    439,470.54/606,481.29 = 248,512.50/x
  3. Step 3: Cross multiply
    439,470.54x = 606,481.29 × 248,512.50
  4. Step 4: Simplify right side
    439,470.54x = 150,718,181,581.13
  5. Step 5: Solve for x
    x = 150,718,181,581.13/439,470.54
  6. Step 6: Final answer
    x = 342,954.00

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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.