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Finding the Fourth Proportional to 375,091.76, 517,593.85 and 222,102.51

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Solution

The fourth proportional to 375,091.76, 517,593.85 and 222,102.51 is: 306,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,091.76 : 517,593.85 = 222,102.51 : x
  2. Step 2: Convert to fraction form
    375,091.76/517,593.85 = 222,102.51/x
  3. Step 3: Cross multiply
    375,091.76x = 517,593.85 × 222,102.51
  4. Step 4: Simplify right side
    375,091.76x = 114,958,890,749.33
  5. Step 5: Solve for x
    x = 114,958,890,749.33/375,091.76
  6. Step 6: Final answer
    x = 306,482.05

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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.