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Finding the Fourth Proportional to 378,468.46, 567,060.04 and 228,393.40

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Solution

The fourth proportional to 378,468.46, 567,060.04 and 228,393.40 is: 342,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,468.46 : 567,060.04 = 228,393.40 : x
  2. Step 2: Convert to fraction form
    378,468.46/567,060.04 = 228,393.40/x
  3. Step 3: Cross multiply
    378,468.46x = 567,060.04 × 228,393.40
  4. Step 4: Simplify right side
    378,468.46x = 129,512,766,562.47
  5. Step 5: Solve for x
    x = 129,512,766,562.47/378,468.46
  6. Step 6: Final answer
    x = 342,202.28

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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.