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Finding the Fourth Proportional to 395,996.85, 594,290.52 and 159,341.58

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Solution

The fourth proportional to 395,996.85, 594,290.52 and 159,341.58 is: 239,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,996.85 : 594,290.52 = 159,341.58 : x
  2. Step 2: Convert to fraction form
    395,996.85/594,290.52 = 159,341.58/x
  3. Step 3: Cross multiply
    395,996.85x = 594,290.52 × 159,341.58
  4. Step 4: Simplify right side
    395,996.85x = 94,695,190,435.82
  5. Step 5: Solve for x
    x = 94,695,190,435.82/395,996.85
  6. Step 6: Final answer
    x = 239,131.17

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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.