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Finding the Fourth Proportional to 334,441.76, 501,449.22 and 220,458.03

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Solution

The fourth proportional to 334,441.76, 501,449.22 and 220,458.03 is: 330,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,441.76 : 501,449.22 = 220,458.03 : x
  2. Step 2: Convert to fraction form
    334,441.76/501,449.22 = 220,458.03/x
  3. Step 3: Cross multiply
    334,441.76x = 501,449.22 × 220,458.03
  4. Step 4: Simplify right side
    334,441.76x = 110,548,507,186.24
  5. Step 5: Solve for x
    x = 110,548,507,186.24/334,441.76
  6. Step 6: Final answer
    x = 330,546.37

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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.