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Finding the Fourth Proportional to 378,470.46, 567,063.04 and 228,395.39

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Solution

The fourth proportional to 378,470.46, 567,063.04 and 228,395.39 is: 342,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,470.46 : 567,063.04 = 228,395.39 : x
  2. Step 2: Convert to fraction form
    378,470.46/567,063.04 = 228,395.39/x
  3. Step 3: Cross multiply
    378,470.46x = 567,063.04 × 228,395.39
  4. Step 4: Simplify right side
    378,470.46x = 129,514,582,186.74
  5. Step 5: Solve for x
    x = 129,514,582,186.74/378,470.46
  6. Step 6: Final answer
    x = 342,205.26

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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.