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Finding the Fourth Proportional to 395,989.38, 594,279.30 and 159,334.08

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Solution

The fourth proportional to 395,989.38, 594,279.30 and 159,334.08 is: 239,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,989.38 : 594,279.30 = 159,334.08 : x
  2. Step 2: Convert to fraction form
    395,989.38/594,279.30 = 159,334.08/x
  3. Step 3: Cross multiply
    395,989.38x = 594,279.30 × 159,334.08
  4. Step 4: Simplify right side
    395,989.38x = 94,688,945,528.54
  5. Step 5: Solve for x
    x = 94,688,945,528.54/395,989.38
  6. Step 6: Final answer
    x = 239,119.91

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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.