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Finding the Fourth Proportional to 430,057.71, 593,500.77 and 239,067

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Solution

The fourth proportional to 430,057.71, 593,500.77 and 239,067 is: 329,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,057.71 : 593,500.77 = 239,067 : x
  2. Step 2: Convert to fraction form
    430,057.71/593,500.77 = 239,067/x
  3. Step 3: Cross multiply
    430,057.71x = 593,500.77 × 239,067
  4. Step 4: Simplify right side
    430,057.71x = 141,886,448,581.59
  5. Step 5: Solve for x
    x = 141,886,448,581.59/430,057.71
  6. Step 6: Final answer
    x = 329,924.21

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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.