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Finding the Fourth Proportional to 395,685.52, 593,555.68 and 159,028.40

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Solution

The fourth proportional to 395,685.52, 593,555.68 and 159,028.40 is: 238,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,685.52 : 593,555.68 = 159,028.40 : x
  2. Step 2: Convert to fraction form
    395,685.52/593,555.68 = 159,028.40/x
  3. Step 3: Cross multiply
    395,685.52x = 593,555.68 × 159,028.40
  4. Step 4: Simplify right side
    395,685.52x = 94,392,210,101.31
  5. Step 5: Solve for x
    x = 94,392,210,101.31/395,685.52
  6. Step 6: Final answer
    x = 238,553.61

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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.