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Finding the Fourth Proportional to 395,516.28, 593,274.06 and 158,859

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Solution

The fourth proportional to 395,516.28, 593,274.06 and 158,859 is: 238,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,516.28 : 593,274.06 = 158,859 : x
  2. Step 2: Convert to fraction form
    395,516.28/593,274.06 = 158,859/x
  3. Step 3: Cross multiply
    395,516.28x = 593,274.06 × 158,859
  4. Step 4: Simplify right side
    395,516.28x = 94,246,923,897.54
  5. Step 5: Solve for x
    x = 94,246,923,897.54/395,516.28
  6. Step 6: Final answer
    x = 238,288.36

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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.