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Finding the Fourth Proportional to 395,310.65, 593,076.67 and 158,819.40

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Solution

The fourth proportional to 395,310.65, 593,076.67 and 158,819.40 is: 238,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,310.65 : 593,076.67 = 158,819.40 : x
  2. Step 2: Convert to fraction form
    395,310.65/593,076.67 = 158,819.40/x
  3. Step 3: Cross multiply
    395,310.65x = 593,076.67 × 158,819.40
  4. Step 4: Simplify right side
    395,310.65x = 94,192,080,486.35
  5. Step 5: Solve for x
    x = 94,192,080,486.35/395,310.65
  6. Step 6: Final answer
    x = 238,273.57

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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.