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Finding the Fourth Proportional to 618,059.39, 927,232.85 and 191,572.58

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Solution

The fourth proportional to 618,059.39, 927,232.85 and 191,572.58 is: 287,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,059.39 : 927,232.85 = 191,572.58 : x
  2. Step 2: Convert to fraction form
    618,059.39/927,232.85 = 191,572.58/x
  3. Step 3: Cross multiply
    618,059.39x = 927,232.85 × 191,572.58
  4. Step 4: Simplify right side
    618,059.39x = 177,632,392,132.27
  5. Step 5: Solve for x
    x = 177,632,392,132.27/618,059.39
  6. Step 6: Final answer
    x = 287,403.44

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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.