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Finding the Fourth Proportional to 276,683.70, 381,712.65 and 169,066.92

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Solution

The fourth proportional to 276,683.70, 381,712.65 and 169,066.92 is: 233,244.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,683.70 : 381,712.65 = 169,066.92 : x
  2. Step 2: Convert to fraction form
    276,683.70/381,712.65 = 169,066.92/x
  3. Step 3: Cross multiply
    276,683.70x = 381,712.65 × 169,066.92
  4. Step 4: Simplify right side
    276,683.70x = 64,534,982,060.54
  5. Step 5: Solve for x
    x = 64,534,982,060.54/276,683.70
  6. Step 6: Final answer
    x = 233,244.61

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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.