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Finding the Fourth Proportional to 350,086.72, 483,098.40 and 206,812.48

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Solution

The fourth proportional to 350,086.72, 483,098.40 and 206,812.48 is: 285,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,086.72 : 483,098.40 = 206,812.48 : x
  2. Step 2: Convert to fraction form
    350,086.72/483,098.40 = 206,812.48/x
  3. Step 3: Cross multiply
    350,086.72x = 483,098.40 × 206,812.48
  4. Step 4: Simplify right side
    350,086.72x = 99,910,778,188.03
  5. Step 5: Solve for x
    x = 99,910,778,188.03/350,086.72
  6. Step 6: Final answer
    x = 285,388.66

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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.