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Finding the Fourth Proportional to 598,638.76, 898,105.76 and 177,914.64

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Solution

The fourth proportional to 598,638.76, 898,105.76 and 177,914.64 is: 266,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,638.76 : 898,105.76 = 177,914.64 : x
  2. Step 2: Convert to fraction form
    598,638.76/898,105.76 = 177,914.64/x
  3. Step 3: Cross multiply
    598,638.76x = 898,105.76 × 177,914.64
  4. Step 4: Simplify right side
    598,638.76x = 159,786,162,972.33
  5. Step 5: Solve for x
    x = 159,786,162,972.33/598,638.76
  6. Step 6: Final answer
    x = 266,915.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.