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Finding the Fourth Proportional to 276,873.81, 382,093.79 and 156,008.44

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Solution

The fourth proportional to 276,873.81, 382,093.79 and 156,008.44 is: 215,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,873.81 : 382,093.79 = 156,008.44 : x
  2. Step 2: Convert to fraction form
    276,873.81/382,093.79 = 156,008.44/x
  3. Step 3: Cross multiply
    276,873.81x = 382,093.79 × 156,008.44
  4. Step 4: Simplify right side
    276,873.81x = 59,609,856,686.71
  5. Step 5: Solve for x
    x = 59,609,856,686.71/276,873.81
  6. Step 6: Final answer
    x = 215,296.12

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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.