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Finding the Fourth Proportional to 577,372.68, 866,233.98 and 261,744.84

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Solution

The fourth proportional to 577,372.68, 866,233.98 and 261,744.84 is: 392,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,372.68 : 866,233.98 = 261,744.84 : x
  2. Step 2: Convert to fraction form
    577,372.68/866,233.98 = 261,744.84/x
  3. Step 3: Cross multiply
    577,372.68x = 866,233.98 × 261,744.84
  4. Step 4: Simplify right side
    577,372.68x = 226,732,274,497.66
  5. Step 5: Solve for x
    x = 226,732,274,497.66/577,372.68
  6. Step 6: Final answer
    x = 392,696.58

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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.