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Finding the Fourth Proportional to 577,896.60, 866,261.70 and 262,579.80

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Solution

The fourth proportional to 577,896.60, 866,261.70 and 262,579.80 is: 393,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,896.60 : 866,261.70 = 262,579.80 : x
  2. Step 2: Convert to fraction form
    577,896.60/866,261.70 = 262,579.80/x
  3. Step 3: Cross multiply
    577,896.60x = 866,261.70 × 262,579.80
  4. Step 4: Simplify right side
    577,896.60x = 227,462,823,933.66
  5. Step 5: Solve for x
    x = 227,462,823,933.66/577,896.60
  6. Step 6: Final answer
    x = 393,604.71

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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.