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Finding the Fourth Proportional to 598,316.38, 897,353.85 and 219,107.67

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Solution

The fourth proportional to 598,316.38, 897,353.85 and 219,107.67 is: 328,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,316.38 : 897,353.85 = 219,107.67 : x
  2. Step 2: Convert to fraction form
    598,316.38/897,353.85 = 219,107.67/x
  3. Step 3: Cross multiply
    598,316.38x = 897,353.85 × 219,107.67
  4. Step 4: Simplify right side
    598,316.38x = 196,617,111,239.03
  5. Step 5: Solve for x
    x = 196,617,111,239.03/598,316.38
  6. Step 6: Final answer
    x = 328,617.30

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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.