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Finding the Fourth Proportional to 362,261.80, 543,975.90 and 273,615.40

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Solution

The fourth proportional to 362,261.80, 543,975.90 and 273,615.40 is: 410,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,261.80 : 543,975.90 = 273,615.40 : x
  2. Step 2: Convert to fraction form
    362,261.80/543,975.90 = 273,615.40/x
  3. Step 3: Cross multiply
    362,261.80x = 543,975.90 × 273,615.40
  4. Step 4: Simplify right side
    362,261.80x = 148,840,183,468.86
  5. Step 5: Solve for x
    x = 148,840,183,468.86/362,261.80
  6. Step 6: Final answer
    x = 410,863.59

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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.