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Finding the Fourth Proportional to 362,252.80, 543,379.20 and 125,619.40

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Solution

The fourth proportional to 362,252.80, 543,379.20 and 125,619.40 is: 188,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,252.80 : 543,379.20 = 125,619.40 : x
  2. Step 2: Convert to fraction form
    362,252.80/543,379.20 = 125,619.40/x
  3. Step 3: Cross multiply
    362,252.80x = 543,379.20 × 125,619.40
  4. Step 4: Simplify right side
    362,252.80x = 68,258,969,076.48
  5. Step 5: Solve for x
    x = 68,258,969,076.48/362,252.80
  6. Step 6: Final answer
    x = 188,429.10

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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.