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Finding the Fourth Proportional to 378,593, 567,723.18 and 141,769.56

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Solution

The fourth proportional to 378,593, 567,723.18 and 141,769.56 is: 212,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,593 : 567,723.18 = 141,769.56 : x
  2. Step 2: Convert to fraction form
    378,593/567,723.18 = 141,769.56/x
  3. Step 3: Cross multiply
    378,593x = 567,723.18 × 141,769.56
  4. Step 4: Simplify right side
    378,593x = 80,485,865,430.40
  5. Step 5: Solve for x
    x = 80,485,865,430.40/378,593
  6. Step 6: Final answer
    x = 212,592.06

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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.