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Finding the Fourth Proportional to 618,503.12, 927,462.22 and 239,601.32

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Solution

The fourth proportional to 618,503.12, 927,462.22 and 239,601.32 is: 359,288.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,503.12 : 927,462.22 = 239,601.32 : x
  2. Step 2: Convert to fraction form
    618,503.12/927,462.22 = 239,601.32/x
  3. Step 3: Cross multiply
    618,503.12x = 927,462.22 × 239,601.32
  4. Step 4: Simplify right side
    618,503.12x = 222,221,172,162.13
  5. Step 5: Solve for x
    x = 222,221,172,162.13/618,503.12
  6. Step 6: Final answer
    x = 359,288.68

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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.