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Finding the Fourth Proportional to 350,874.23, 484,206.08 and 189,728.87

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Solution

The fourth proportional to 350,874.23, 484,206.08 and 189,728.87 is: 261,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,874.23 : 484,206.08 = 189,728.87 : x
  2. Step 2: Convert to fraction form
    350,874.23/484,206.08 = 189,728.87/x
  3. Step 3: Cross multiply
    350,874.23x = 484,206.08 × 189,728.87
  4. Step 4: Simplify right side
    350,874.23x = 91,867,869,035.85
  5. Step 5: Solve for x
    x = 91,867,869,035.85/350,874.23
  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.