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Finding the Fourth Proportional to 445,562.22, 668,518.28 and 196,069.26

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Solution

The fourth proportional to 445,562.22, 668,518.28 and 196,069.26 is: 294,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,562.22 : 668,518.28 = 196,069.26 : x
  2. Step 2: Convert to fraction form
    445,562.22/668,518.28 = 196,069.26/x
  3. Step 3: Cross multiply
    445,562.22x = 668,518.28 × 196,069.26
  4. Step 4: Simplify right side
    445,562.22x = 131,075,884,456.07
  5. Step 5: Solve for x
    x = 131,075,884,456.07/445,562.22
  6. Step 6: Final answer
    x = 294,180.88

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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.