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Finding the Fourth Proportional to 430,171.80, 593,635.14 and 239,173.80

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Solution

The fourth proportional to 430,171.80, 593,635.14 and 239,173.80 is: 330,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,171.80 : 593,635.14 = 239,173.80 : x
  2. Step 2: Convert to fraction form
    430,171.80/593,635.14 = 239,173.80/x
  3. Step 3: Cross multiply
    430,171.80x = 593,635.14 × 239,173.80
  4. Step 4: Simplify right side
    430,171.80x = 141,981,972,247.33
  5. Step 5: Solve for x
    x = 141,981,972,247.33/430,171.80
  6. Step 6: Final answer
    x = 330,058.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.