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Finding the Fourth Proportional to 672,335.34, 927,810.87 and 366,414.54

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Solution

The fourth proportional to 672,335.34, 927,810.87 and 366,414.54 is: 505,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,335.34 : 927,810.87 = 366,414.54 : x
  2. Step 2: Convert to fraction form
    672,335.34/927,810.87 = 366,414.54/x
  3. Step 3: Cross multiply
    672,335.34x = 927,810.87 × 366,414.54
  4. Step 4: Simplify right side
    672,335.34x = 339,963,393,138.05
  5. Step 5: Solve for x
    x = 339,963,393,138.05/672,335.34
  6. Step 6: Final answer
    x = 505,645.58

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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.