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Finding the Fourth Proportional to 350,439.20, 483,583.44 and 199,534.88

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Solution

The fourth proportional to 350,439.20, 483,583.44 and 199,534.88 is: 275,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,439.20 : 483,583.44 = 199,534.88 : x
  2. Step 2: Convert to fraction form
    350,439.20/483,583.44 = 199,534.88/x
  3. Step 3: Cross multiply
    350,439.20x = 483,583.44 × 199,534.88
  4. Step 4: Simplify right side
    350,439.20x = 96,491,763,670.39
  5. Step 5: Solve for x
    x = 96,491,763,670.39/350,439.20
  6. Step 6: Final answer
    x = 275,345.23

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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.