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Finding the Fourth Proportional to 350,757.72, 484,056.54 and 199,845

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Solution

The fourth proportional to 350,757.72, 484,056.54 and 199,845 is: 275,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,757.72 : 484,056.54 = 199,845 : x
  2. Step 2: Convert to fraction form
    350,757.72/484,056.54 = 199,845/x
  3. Step 3: Cross multiply
    350,757.72x = 484,056.54 × 199,845
  4. Step 4: Simplify right side
    350,757.72x = 96,736,279,236.30
  5. Step 5: Solve for x
    x = 96,736,279,236.30/350,757.72
  6. Step 6: Final answer
    x = 275,792.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.