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Finding the Fourth Proportional to 362,243.80, 543,365.70 and 125,610.40

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Solution

The fourth proportional to 362,243.80, 543,365.70 and 125,610.40 is: 188,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,243.80 : 543,365.70 = 125,610.40 : x
  2. Step 2: Convert to fraction form
    362,243.80/543,365.70 = 125,610.40/x
  3. Step 3: Cross multiply
    362,243.80x = 543,365.70 × 125,610.40
  4. Step 4: Simplify right side
    362,243.80x = 68,252,382,923.28
  5. Step 5: Solve for x
    x = 68,252,382,923.28/362,243.80
  6. Step 6: Final answer
    x = 188,415.60

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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.