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Finding the Fourth Proportional to 362,409.60, 543,614.40 and 125,727.60

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Solution

The fourth proportional to 362,409.60, 543,614.40 and 125,727.60 is: 188,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,409.60 : 543,614.40 = 125,727.60 : x
  2. Step 2: Convert to fraction form
    362,409.60/543,614.40 = 125,727.60/x
  3. Step 3: Cross multiply
    362,409.60x = 543,614.40 × 125,727.60
  4. Step 4: Simplify right side
    362,409.60x = 68,347,333,837.44
  5. Step 5: Solve for x
    x = 68,347,333,837.44/362,409.60
  6. Step 6: Final answer
    x = 188,591.40

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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.