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Finding the Fourth Proportional to 407,172.44, 610,660.24 and 170,692.13

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Solution

The fourth proportional to 407,172.44, 610,660.24 and 170,692.13 is: 255,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,172.44 : 610,660.24 = 170,692.13 : x
  2. Step 2: Convert to fraction form
    407,172.44/610,660.24 = 170,692.13/x
  3. Step 3: Cross multiply
    407,172.44x = 610,660.24 × 170,692.13
  4. Step 4: Simplify right side
    407,172.44x = 104,234,893,591.88
  5. Step 5: Solve for x
    x = 104,234,893,591.88/407,172.44
  6. Step 6: Final answer
    x = 255,996.93

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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.