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Finding the Fourth Proportional to 378,472.46, 567,066.04 and 228,397.39

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Solution

The fourth proportional to 378,472.46, 567,066.04 and 228,397.39 is: 342,208.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,472.46 : 567,066.04 = 228,397.39 : x
  2. Step 2: Convert to fraction form
    378,472.46/567,066.04 = 228,397.39/x
  3. Step 3: Cross multiply
    378,472.46x = 567,066.04 × 228,397.39
  4. Step 4: Simplify right side
    378,472.46x = 129,516,401,504.98
  5. Step 5: Solve for x
    x = 129,516,401,504.98/378,472.46
  6. Step 6: Final answer
    x = 342,208.26

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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.