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Finding the Fourth Proportional to 577,517.26, 866,423.51 and 222,435.94

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Solution

The fourth proportional to 577,517.26, 866,423.51 and 222,435.94 is: 333,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,517.26 : 866,423.51 = 222,435.94 : x
  2. Step 2: Convert to fraction form
    577,517.26/866,423.51 = 222,435.94/x
  3. Step 3: Cross multiply
    577,517.26x = 866,423.51 × 222,435.94
  4. Step 4: Simplify right side
    577,517.26x = 192,723,727,884.95
  5. Step 5: Solve for x
    x = 192,723,727,884.95/577,517.26
  6. Step 6: Final answer
    x = 333,710.77

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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.