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Finding the Fourth Proportional to 577,534.32, 866,449.12 and 222,453

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Solution

The fourth proportional to 577,534.32, 866,449.12 and 222,453 is: 333,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,534.32 : 866,449.12 = 222,453 : x
  2. Step 2: Convert to fraction form
    577,534.32/866,449.12 = 222,453/x
  3. Step 3: Cross multiply
    577,534.32x = 866,449.12 × 222,453
  4. Step 4: Simplify right side
    577,534.32x = 192,744,206,091.36
  5. Step 5: Solve for x
    x = 192,744,206,091.36/577,534.32
  6. Step 6: Final answer
    x = 333,736.37

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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.