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Finding the Fourth Proportional to 385,593.62, 531,954.29 and 232,544.77

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Solution

The fourth proportional to 385,593.62, 531,954.29 and 232,544.77 is: 320,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,593.62 : 531,954.29 = 232,544.77 : x
  2. Step 2: Convert to fraction form
    385,593.62/531,954.29 = 232,544.77/x
  3. Step 3: Cross multiply
    385,593.62x = 531,954.29 × 232,544.77
  4. Step 4: Simplify right side
    385,593.62x = 123,703,188,954.22
  5. Step 5: Solve for x
    x = 123,703,188,954.22/385,593.62
  6. Step 6: Final answer
    x = 320,812.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.