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Finding the Fourth Proportional to 618,383.60, 927,196.32 and 263,195.36

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Solution

The fourth proportional to 618,383.60, 927,196.32 and 263,195.36 is: 394,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,383.60 : 927,196.32 = 263,195.36 : x
  2. Step 2: Convert to fraction form
    618,383.60/927,196.32 = 263,195.36/x
  3. Step 3: Cross multiply
    618,383.60x = 927,196.32 × 263,195.36
  4. Step 4: Simplify right side
    618,383.60x = 244,033,769,233.08
  5. Step 5: Solve for x
    x = 244,033,769,233.08/618,383.60
  6. Step 6: Final answer
    x = 394,631.70

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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.