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Finding the Fourth Proportional to 350,874.18, 484,206.02 and 189,728.86

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Solution

The fourth proportional to 350,874.18, 484,206.02 and 189,728.86 is: 261,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,874.18 : 484,206.02 = 189,728.86 : x
  2. Step 2: Convert to fraction form
    350,874.18/484,206.02 = 189,728.86/x
  3. Step 3: Cross multiply
    350,874.18x = 484,206.02 × 189,728.86
  4. Step 4: Simplify right side
    350,874.18x = 91,867,856,179.74
  5. Step 5: Solve for x
    x = 91,867,856,179.74/350,874.18
  6. Step 6: Final answer
    x = 261,825.64

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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.