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Finding the Fourth Proportional to 375,847.44, 518,744.84 and 222,970.51

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Solution

The fourth proportional to 375,847.44, 518,744.84 and 222,970.51 is: 307,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,847.44 : 518,744.84 = 222,970.51 : x
  2. Step 2: Convert to fraction form
    375,847.44/518,744.84 = 222,970.51/x
  3. Step 3: Cross multiply
    375,847.44x = 518,744.84 × 222,970.51
  4. Step 4: Simplify right side
    375,847.44x = 115,664,797,826.09
  5. Step 5: Solve for x
    x = 115,664,797,826.09/375,847.44
  6. Step 6: Final answer
    x = 307,744.01

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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.