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Finding the Fourth Proportional to 276,294.17, 414,441.25 and 98,790.41

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Solution

The fourth proportional to 276,294.17, 414,441.25 and 98,790.41 is: 148,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,294.17 : 414,441.25 = 98,790.41 : x
  2. Step 2: Convert to fraction form
    276,294.17/414,441.25 = 98,790.41/x
  3. Step 3: Cross multiply
    276,294.17x = 414,441.25 × 98,790.41
  4. Step 4: Simplify right side
    276,294.17x = 40,942,820,514.46
  5. Step 5: Solve for x
    x = 40,942,820,514.46/276,294.17
  6. Step 6: Final answer
    x = 148,185.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.