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Finding the Fourth Proportional to 276,326.67, 414,489.98 and 76,647.07

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Solution

The fourth proportional to 276,326.67, 414,489.98 and 76,647.07 is: 114,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,326.67 : 414,489.98 = 76,647.07 : x
  2. Step 2: Convert to fraction form
    276,326.67/414,489.98 = 76,647.07/x
  3. Step 3: Cross multiply
    276,326.67x = 414,489.98 × 76,647.07
  4. Step 4: Simplify right side
    276,326.67x = 31,769,440,438.91
  5. Step 5: Solve for x
    x = 31,769,440,438.91/276,326.67
  6. Step 6: Final answer
    x = 114,970.59

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1.5x scale

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.