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Finding the Fourth Proportional to 276,959.37, 382,204.13 and 149,634.93

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Solution

The fourth proportional to 276,959.37, 382,204.13 and 149,634.93 is: 206,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,959.37 : 382,204.13 = 149,634.93 : x
  2. Step 2: Convert to fraction form
    276,959.37/382,204.13 = 149,634.93/x
  3. Step 3: Cross multiply
    276,959.37x = 382,204.13 × 149,634.93
  4. Step 4: Simplify right side
    276,959.37x = 57,191,088,238.26
  5. Step 5: Solve for x
    x = 57,191,088,238.26/276,959.37
  6. Step 6: Final answer
    x = 206,496.31

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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.