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Finding the Fourth Proportional to 672,486.46, 928,003.39 and 366,556.11

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Solution

The fourth proportional to 672,486.46, 928,003.39 and 366,556.11 is: 505,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,486.46 : 928,003.39 = 366,556.11 : x
  2. Step 2: Convert to fraction form
    672,486.46/928,003.39 = 366,556.11/x
  3. Step 3: Cross multiply
    672,486.46x = 928,003.39 × 366,556.11
  4. Step 4: Simplify right side
    672,486.46x = 340,165,310,872.43
  5. Step 5: Solve for x
    x = 340,165,310,872.43/672,486.46
  6. Step 6: Final answer
    x = 505,832.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.