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Finding the Fourth Proportional to 618,575.74, 927,572.41 and 239,673.94

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Solution

The fourth proportional to 618,575.74, 927,572.41 and 239,673.94 is: 359,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,575.74 : 927,572.41 = 239,673.94 : x
  2. Step 2: Convert to fraction form
    618,575.74/927,572.41 = 239,673.94/x
  3. Step 3: Cross multiply
    618,575.74x = 927,572.41 × 239,673.94
  4. Step 4: Simplify right side
    618,575.74x = 222,314,932,120.66
  5. Step 5: Solve for x
    x = 222,314,932,120.66/618,575.74
  6. Step 6: Final answer
    x = 359,398.08

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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.