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Finding the Fourth Proportional to 618,195.38, 927,682.59 and 263,208.74

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Solution

The fourth proportional to 618,195.38, 927,682.59 and 263,208.74 is: 394,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,195.38 : 927,682.59 = 263,208.74 : x
  2. Step 2: Convert to fraction form
    618,195.38/927,682.59 = 263,208.74/x
  3. Step 3: Cross multiply
    618,195.38x = 927,682.59 × 263,208.74
  4. Step 4: Simplify right side
    618,195.38x = 244,174,160,995.42
  5. Step 5: Solve for x
    x = 244,174,160,995.42/618,195.38
  6. Step 6: Final answer
    x = 394,978.95

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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.