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Finding the Fourth Proportional to 276,886.65, 382,103.53 and 149,562.25

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Solution

The fourth proportional to 276,886.65, 382,103.53 and 149,562.25 is: 206,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,886.65 : 382,103.53 = 149,562.25 : x
  2. Step 2: Convert to fraction form
    276,886.65/382,103.53 = 149,562.25/x
  3. Step 3: Cross multiply
    276,886.65x = 382,103.53 × 149,562.25
  4. Step 4: Simplify right side
    276,886.65x = 57,148,262,350.58
  5. Step 5: Solve for x
    x = 57,148,262,350.58/276,886.65
  6. Step 6: Final answer
    x = 206,395.87

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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.