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Finding the Fourth Proportional to 276,665.93, 381,793.79 and 169,228.07

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Solution

The fourth proportional to 276,665.93, 381,793.79 and 169,228.07 is: 233,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,665.93 : 381,793.79 = 169,228.07 : x
  2. Step 2: Convert to fraction form
    276,665.93/381,793.79 = 169,228.07/x
  3. Step 3: Cross multiply
    276,665.93x = 381,793.79 × 169,228.07
  4. Step 4: Simplify right side
    276,665.93x = 64,610,226,219.69
  5. Step 5: Solve for x
    x = 64,610,226,219.69/276,665.93
  6. Step 6: Final answer
    x = 233,531.56

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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.