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Finding the Fourth Proportional to 276,891.19, 382,110.01 and 149,566.82

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Solution

The fourth proportional to 276,891.19, 382,110.01 and 149,566.82 is: 206,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,891.19 : 382,110.01 = 149,566.82 : x
  2. Step 2: Convert to fraction form
    276,891.19/382,110.01 = 149,566.82/x
  3. Step 3: Cross multiply
    276,891.19x = 382,110.01 × 149,566.82
  4. Step 4: Simplify right side
    276,891.19x = 57,150,976,801.40
  5. Step 5: Solve for x
    x = 57,150,976,801.40/276,891.19
  6. Step 6: Final answer
    x = 206,402.30

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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.