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Finding the Fourth Proportional to 378,370.40, 567,553.54 and 162,197.29

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Solution

The fourth proportional to 378,370.40, 567,553.54 and 162,197.29 is: 243,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,370.40 : 567,553.54 = 162,197.29 : x
  2. Step 2: Convert to fraction form
    378,370.40/567,553.54 = 162,197.29/x
  3. Step 3: Cross multiply
    378,370.40x = 567,553.54 × 162,197.29
  4. Step 4: Simplify right side
    378,370.40x = 92,055,646,117.91
  5. Step 5: Solve for x
    x = 92,055,646,117.91/378,370.40
  6. Step 6: Final answer
    x = 243,295.05

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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.