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Finding the Fourth Proportional to 378,372.40, 567,556.54 and 162,199.29

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Solution

The fourth proportional to 378,372.40, 567,556.54 and 162,199.29 is: 243,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,372.40 : 567,556.54 = 162,199.29 : x
  2. Step 2: Convert to fraction form
    378,372.40/567,556.54 = 162,199.29/x
  3. Step 3: Cross multiply
    378,372.40x = 567,556.54 × 162,199.29
  4. Step 4: Simplify right side
    378,372.40x = 92,057,267,822.86
  5. Step 5: Solve for x
    x = 92,057,267,822.86/378,372.40
  6. Step 6: Final answer
    x = 243,298.05

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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.