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Finding the Fourth Proportional to 425,263.14, 637,912.52 and 158,996.70

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Solution

The fourth proportional to 425,263.14, 637,912.52 and 158,996.70 is: 238,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,263.14 : 637,912.52 = 158,996.70 : x
  2. Step 2: Convert to fraction form
    425,263.14/637,912.52 = 158,996.70/x
  3. Step 3: Cross multiply
    425,263.14x = 637,912.52 × 158,996.70
  4. Step 4: Simplify right side
    425,263.14x = 101,425,985,568.68
  5. Step 5: Solve for x
    x = 101,425,985,568.68/425,263.14
  6. Step 6: Final answer
    x = 238,501.71

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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.