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Finding the Fourth Proportional to 239,574.73, 359,595.81 and 197,879.58

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Solution

The fourth proportional to 239,574.73, 359,595.81 and 197,879.58 is: 297,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,574.73 : 359,595.81 = 197,879.58 : x
  2. Step 2: Convert to fraction form
    239,574.73/359,595.81 = 197,879.58/x
  3. Step 3: Cross multiply
    239,574.73x = 359,595.81 × 197,879.58
  4. Step 4: Simplify right side
    239,574.73x = 71,156,667,852.56
  5. Step 5: Solve for x
    x = 71,156,667,852.56/239,574.73
  6. Step 6: Final answer
    x = 297,012.41

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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.