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Finding the Fourth Proportional to 276,912.94, 381,950.15 and 169,536.03

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Solution

The fourth proportional to 276,912.94, 381,950.15 and 169,536.03 is: 233,843.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,912.94 : 381,950.15 = 169,536.03 : x
  2. Step 2: Convert to fraction form
    276,912.94/381,950.15 = 169,536.03/x
  3. Step 3: Cross multiply
    276,912.94x = 381,950.15 × 169,536.03
  4. Step 4: Simplify right side
    276,912.94x = 64,754,312,512.74
  5. Step 5: Solve for x
    x = 64,754,312,512.74/276,912.94
  6. Step 6: Final answer
    x = 233,843.58

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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.