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Finding the Fourth Proportional to 362,422.84, 543,418.92 and 137,799.70

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Solution

The fourth proportional to 362,422.84, 543,418.92 and 137,799.70 is: 206,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,422.84 : 543,418.92 = 137,799.70 : x
  2. Step 2: Convert to fraction form
    362,422.84/543,418.92 = 137,799.70/x
  3. Step 3: Cross multiply
    362,422.84x = 543,418.92 × 137,799.70
  4. Step 4: Simplify right side
    362,422.84x = 74,882,964,150.32
  5. Step 5: Solve for x
    x = 74,882,964,150.32/362,422.84
  6. Step 6: Final answer
    x = 206,617.67

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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.