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Finding the Fourth Proportional to 362,081.94, 543,480.45 and 271,810.79

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Solution

The fourth proportional to 362,081.94, 543,480.45 and 271,810.79 is: 407,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,081.94 : 543,480.45 = 271,810.79 : x
  2. Step 2: Convert to fraction form
    362,081.94/543,480.45 = 271,810.79/x
  3. Step 3: Cross multiply
    362,081.94x = 543,480.45 × 271,810.79
  4. Step 4: Simplify right side
    362,081.94x = 147,723,847,746.65
  5. Step 5: Solve for x
    x = 147,723,847,746.65/362,081.94
  6. Step 6: Final answer
    x = 407,984.58

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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.