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Finding the Fourth Proportional to 618,255.77, 927,440.37 and 191,794.86

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Solution

The fourth proportional to 618,255.77, 927,440.37 and 191,794.86 is: 287,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,255.77 : 927,440.37 = 191,794.86 : x
  2. Step 2: Convert to fraction form
    618,255.77/927,440.37 = 191,794.86/x
  3. Step 3: Cross multiply
    618,255.77x = 927,440.37 × 191,794.86
  4. Step 4: Simplify right side
    618,255.77x = 177,878,295,922.50
  5. Step 5: Solve for x
    x = 177,878,295,922.50/618,255.77
  6. Step 6: Final answer
    x = 287,709.89

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1.5x scale

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.