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Finding the Fourth Proportional to 349,194.40, 481,735.92 and 220,054.72

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Solution

The fourth proportional to 349,194.40, 481,735.92 and 220,054.72 is: 303,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,194.40 : 481,735.92 = 220,054.72 : x
  2. Step 2: Convert to fraction form
    349,194.40/481,735.92 = 220,054.72/x
  3. Step 3: Cross multiply
    349,194.40x = 481,735.92 × 220,054.72
  4. Step 4: Simplify right side
    349,194.40x = 106,008,262,989.54
  5. Step 5: Solve for x
    x = 106,008,262,989.54/349,194.40
  6. Step 6: Final answer
    x = 303,579.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.