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Finding the Fourth Proportional to 350,632.46, 483,872.94 and 189,487.46

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Solution

The fourth proportional to 350,632.46, 483,872.94 and 189,487.46 is: 261,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,632.46 : 483,872.94 = 189,487.46 : x
  2. Step 2: Convert to fraction form
    350,632.46/483,872.94 = 189,487.46/x
  3. Step 3: Cross multiply
    350,632.46x = 483,872.94 × 189,487.46
  4. Step 4: Simplify right side
    350,632.46x = 91,687,854,363.33
  5. Step 5: Solve for x
    x = 91,687,854,363.33/350,632.46
  6. Step 6: Final answer
    x = 261,492.77

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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.