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Finding the Fourth Proportional to 269,803.39, 372,331.69 and 148,944.74

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Solution

The fourth proportional to 269,803.39, 372,331.69 and 148,944.74 is: 205,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,803.39 : 372,331.69 = 148,944.74 : x
  2. Step 2: Convert to fraction form
    269,803.39/372,331.69 = 148,944.74/x
  3. Step 3: Cross multiply
    269,803.39x = 372,331.69 × 148,944.74
  4. Step 4: Simplify right side
    269,803.39x = 55,456,846,760.81
  5. Step 5: Solve for x
    x = 55,456,846,760.81/269,803.39
  6. Step 6: Final answer
    x = 205,545.40

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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.