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Finding the Fourth Proportional to 607,872.89, 838,867.20 and 332,236.29

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Solution

The fourth proportional to 607,872.89, 838,867.20 and 332,236.29 is: 458,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,872.89 : 838,867.20 = 332,236.29 : x
  2. Step 2: Convert to fraction form
    607,872.89/838,867.20 = 332,236.29/x
  3. Step 3: Cross multiply
    607,872.89x = 838,867.20 × 332,236.29
  4. Step 4: Simplify right side
    607,872.89x = 278,702,126,330.69
  5. Step 5: Solve for x
    x = 278,702,126,330.69/607,872.89
  6. Step 6: Final answer
    x = 458,487.51

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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.