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Finding the Fourth Proportional to 577,333.56, 866,131.56 and 261,880.68

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Solution

The fourth proportional to 577,333.56, 866,131.56 and 261,880.68 is: 392,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,333.56 : 866,131.56 = 261,880.68 : x
  2. Step 2: Convert to fraction form
    577,333.56/866,131.56 = 261,880.68/x
  3. Step 3: Cross multiply
    577,333.56x = 866,131.56 × 261,880.68
  4. Step 4: Simplify right side
    577,333.56x = 226,823,121,902.26
  5. Step 5: Solve for x
    x = 226,823,121,902.26/577,333.56
  6. Step 6: Final answer
    x = 392,880.54

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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.