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Finding the Fourth Proportional to 517,801.25, 776,819.52 and 158,004.27

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Solution

The fourth proportional to 517,801.25, 776,819.52 and 158,004.27 is: 237,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,801.25 : 776,819.52 = 158,004.27 : x
  2. Step 2: Convert to fraction form
    517,801.25/776,819.52 = 158,004.27/x
  3. Step 3: Cross multiply
    517,801.25x = 776,819.52 × 158,004.27
  4. Step 4: Simplify right side
    517,801.25x = 122,740,801,179.35
  5. Step 5: Solve for x
    x = 122,740,801,179.35/517,801.25
  6. Step 6: Final answer
    x = 237,042.31

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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.