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Finding the Fourth Proportional to 577,517.89, 866,424.45 and 222,436.57

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Solution

The fourth proportional to 577,517.89, 866,424.45 and 222,436.57 is: 333,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,517.89 : 866,424.45 = 222,436.57 : x
  2. Step 2: Convert to fraction form
    577,517.89/866,424.45 = 222,436.57/x
  3. Step 3: Cross multiply
    577,517.89x = 866,424.45 × 222,436.57
  4. Step 4: Simplify right side
    577,517.89x = 192,724,482,822.14
  5. Step 5: Solve for x
    x = 192,724,482,822.14/577,517.89
  6. Step 6: Final answer
    x = 333,711.71

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1.5x scale

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.