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Finding the Fourth Proportional to 276,809.74, 414,892.02 and 127,065.84

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Solution

The fourth proportional to 276,809.74, 414,892.02 and 127,065.84 is: 190,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,809.74 : 414,892.02 = 127,065.84 : x
  2. Step 2: Convert to fraction form
    276,809.74/414,892.02 = 127,065.84/x
  3. Step 3: Cross multiply
    276,809.74x = 414,892.02 × 127,065.84
  4. Step 4: Simplify right side
    276,809.74x = 52,718,603,030.60
  5. Step 5: Solve for x
    x = 52,718,603,030.60/276,809.74
  6. Step 6: Final answer
    x = 190,450.68

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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.