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Finding the Fourth Proportional to 439,001.76, 605,852.88 and 247,945.44

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Solution

The fourth proportional to 439,001.76, 605,852.88 and 247,945.44 is: 342,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,001.76 : 605,852.88 = 247,945.44 : x
  2. Step 2: Convert to fraction form
    439,001.76/605,852.88 = 247,945.44/x
  3. Step 3: Cross multiply
    439,001.76x = 605,852.88 × 247,945.44
  4. Step 4: Simplify right side
    439,001.76x = 150,218,458,906.87
  5. Step 5: Solve for x
    x = 150,218,458,906.87/439,001.76
  6. Step 6: Final answer
    x = 342,181.91

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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.