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Finding the Fourth Proportional to 362,314.60, 543,471.90 and 125,632.60

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Solution

The fourth proportional to 362,314.60, 543,471.90 and 125,632.60 is: 188,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,314.60 : 543,471.90 = 125,632.60 : x
  2. Step 2: Convert to fraction form
    362,314.60/543,471.90 = 125,632.60/x
  3. Step 3: Cross multiply
    362,314.60x = 543,471.90 × 125,632.60
  4. Step 4: Simplify right side
    362,314.60x = 68,277,787,823.94
  5. Step 5: Solve for x
    x = 68,277,787,823.94/362,314.60
  6. Step 6: Final answer
    x = 188,448.90

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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.