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Finding the Fourth Proportional to 350,339.20, 483,468.08 and 189,194.24

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Solution

The fourth proportional to 350,339.20, 483,468.08 and 189,194.24 is: 261,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,339.20 : 483,468.08 = 189,194.24 : x
  2. Step 2: Convert to fraction form
    350,339.20/483,468.08 = 189,194.24/x
  3. Step 3: Cross multiply
    350,339.20x = 483,468.08 × 189,194.24
  4. Step 4: Simplify right side
    350,339.20x = 91,469,375,959.86
  5. Step 5: Solve for x
    x = 91,469,375,959.86/350,339.20
  6. Step 6: Final answer
    x = 261,088.04

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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.