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Finding the Fourth Proportional to 442,189.92, 610,147.38 and 248,571.84

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Solution

The fourth proportional to 442,189.92, 610,147.38 and 248,571.84 is: 342,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,189.92 : 610,147.38 = 248,571.84 : x
  2. Step 2: Convert to fraction form
    442,189.92/610,147.38 = 248,571.84/x
  3. Step 3: Cross multiply
    442,189.92x = 610,147.38 × 248,571.84
  4. Step 4: Simplify right side
    442,189.92x = 151,665,456,917.78
  5. Step 5: Solve for x
    x = 151,665,456,917.78/442,189.92
  6. Step 6: Final answer
    x = 342,987.14

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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.