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Finding the Fourth Proportional to 362,942.91, 543,349.76 and 254,496.26

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Solution

The fourth proportional to 362,942.91, 543,349.76 and 254,496.26 is: 380,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,942.91 : 543,349.76 = 254,496.26 : x
  2. Step 2: Convert to fraction form
    362,942.91/543,349.76 = 254,496.26/x
  3. Step 3: Cross multiply
    362,942.91x = 543,349.76 × 254,496.26
  4. Step 4: Simplify right side
    362,942.91x = 138,280,481,877.79
  5. Step 5: Solve for x
    x = 138,280,481,877.79/362,942.91
  6. Step 6: Final answer
    x = 380,997.89

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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.