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Finding the Fourth Proportional to 610,467.97, 915,577.25 and 231,257.96

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Solution

The fourth proportional to 610,467.97, 915,577.25 and 231,257.96 is: 346,839.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,467.97 : 915,577.25 = 231,257.96 : x
  2. Step 2: Convert to fraction form
    610,467.97/915,577.25 = 231,257.96/x
  3. Step 3: Cross multiply
    610,467.97x = 915,577.25 × 231,257.96
  4. Step 4: Simplify right side
    610,467.97x = 211,734,529,924.50
  5. Step 5: Solve for x
    x = 211,734,529,924.50/610,467.97
  6. Step 6: Final answer
    x = 346,839.71

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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.