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Finding the Fourth Proportional to 577,356.80, 866,070.63 and 222,371.87

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Solution

The fourth proportional to 577,356.80, 866,070.63 and 222,371.87 is: 333,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,356.80 : 866,070.63 = 222,371.87 : x
  2. Step 2: Convert to fraction form
    577,356.80/866,070.63 = 222,371.87/x
  3. Step 3: Cross multiply
    577,356.80x = 866,070.63 × 222,371.87
  4. Step 4: Simplify right side
    577,356.80x = 192,589,741,214.83
  5. Step 5: Solve for x
    x = 192,589,741,214.83/577,356.80
  6. Step 6: Final answer
    x = 333,571.45

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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.