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Finding the Fourth Proportional to 451,049.13, 622,440.77 and 247,098.33

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Solution

The fourth proportional to 451,049.13, 622,440.77 and 247,098.33 is: 340,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,049.13 : 622,440.77 = 247,098.33 : x
  2. Step 2: Convert to fraction form
    451,049.13/622,440.77 = 247,098.33/x
  3. Step 3: Cross multiply
    451,049.13x = 622,440.77 × 247,098.33
  4. Step 4: Simplify right side
    451,049.13x = 153,804,073,555.42
  5. Step 5: Solve for x
    x = 153,804,073,555.42/451,049.13
  6. Step 6: Final answer
    x = 340,991.84

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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.