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Finding the Fourth Proportional to 395,553.26, 593,264.27 and 142,785.27

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Solution

The fourth proportional to 395,553.26, 593,264.27 and 142,785.27 is: 214,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,553.26 : 593,264.27 = 142,785.27 : x
  2. Step 2: Convert to fraction form
    395,553.26/593,264.27 = 142,785.27/x
  3. Step 3: Cross multiply
    395,553.26x = 593,264.27 × 142,785.27
  4. Step 4: Simplify right side
    395,553.26x = 84,709,398,259.38
  5. Step 5: Solve for x
    x = 84,709,398,259.38/395,553.26
  6. Step 6: Final answer
    x = 214,154.22

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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.