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Finding the Fourth Proportional to 395,606.50, 593,484.15 and 158,967.94

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Solution

The fourth proportional to 395,606.50, 593,484.15 and 158,967.94 is: 238,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,606.50 : 593,484.15 = 158,967.94 : x
  2. Step 2: Convert to fraction form
    395,606.50/593,484.15 = 158,967.94/x
  3. Step 3: Cross multiply
    395,606.50x = 593,484.15 × 158,967.94
  4. Step 4: Simplify right side
    395,606.50x = 94,344,952,748.15
  5. Step 5: Solve for x
    x = 94,344,952,748.15/395,606.50
  6. Step 6: Final answer
    x = 238,481.81

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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.