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Finding the Fourth Proportional to 492,754.85, 739,127.91 and 155,795.73

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Solution

The fourth proportional to 492,754.85, 739,127.91 and 155,795.73 is: 233,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,754.85 : 739,127.91 = 155,795.73 : x
  2. Step 2: Convert to fraction form
    492,754.85/739,127.91 = 155,795.73/x
  3. Step 3: Cross multiply
    492,754.85x = 739,127.91 × 155,795.73
  4. Step 4: Simplify right side
    492,754.85x = 115,152,972,301.82
  5. Step 5: Solve for x
    x = 115,152,972,301.82/492,754.85
  6. Step 6: Final answer
    x = 233,692.22

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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.