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Finding the Fourth Proportional to 483,548.78, 666,850.83 and 302,202.74

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Solution

The fourth proportional to 483,548.78, 666,850.83 and 302,202.74 is: 416,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,548.78 : 666,850.83 = 302,202.74 : x
  2. Step 2: Convert to fraction form
    483,548.78/666,850.83 = 302,202.74/x
  3. Step 3: Cross multiply
    483,548.78x = 666,850.83 × 302,202.74
  4. Step 4: Simplify right side
    483,548.78x = 201,524,147,997.27
  5. Step 5: Solve for x
    x = 201,524,147,997.27/483,548.78
  6. Step 6: Final answer
    x = 416,760.74

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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.