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Finding the Fourth Proportional to 618,147.52, 927,354.49 and 191,674.77

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Solution

The fourth proportional to 618,147.52, 927,354.49 and 191,674.77 is: 287,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,147.52 : 927,354.49 = 191,674.77 : x
  2. Step 2: Convert to fraction form
    618,147.52/927,354.49 = 191,674.77/x
  3. Step 3: Cross multiply
    618,147.52x = 927,354.49 × 191,674.77
  4. Step 4: Simplify right side
    618,147.52x = 177,750,458,579.22
  5. Step 5: Solve for x
    x = 177,750,458,579.22/618,147.52
  6. Step 6: Final answer
    x = 287,553.46

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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.