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Finding the Fourth Proportional to 395,590.40, 593,846.40 and 237,996.80

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Solution

The fourth proportional to 395,590.40, 593,846.40 and 237,996.80 is: 357,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,590.40 : 593,846.40 = 237,996.80 : x
  2. Step 2: Convert to fraction form
    395,590.40/593,846.40 = 237,996.80/x
  3. Step 3: Cross multiply
    395,590.40x = 593,846.40 × 237,996.80
  4. Step 4: Simplify right side
    395,590.40x = 141,333,542,891.52
  5. Step 5: Solve for x
    x = 141,333,542,891.52/395,590.40
  6. Step 6: Final answer
    x = 357,272.43

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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.