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Finding the Fourth Proportional to 276,435.73, 381,599 and 185,844.24

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Solution

The fourth proportional to 276,435.73, 381,599 and 185,844.24 is: 256,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,435.73 : 381,599 = 185,844.24 : x
  2. Step 2: Convert to fraction form
    276,435.73/381,599 = 185,844.24/x
  3. Step 3: Cross multiply
    276,435.73x = 381,599 × 185,844.24
  4. Step 4: Simplify right side
    276,435.73x = 70,917,976,139.76
  5. Step 5: Solve for x
    x = 70,917,976,139.76/276,435.73
  6. Step 6: Final answer
    x = 256,544.17

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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.