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Finding the Fourth Proportional to 395,597.36, 593,470.92 and 158,958.56

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Solution

The fourth proportional to 395,597.36, 593,470.92 and 158,958.56 is: 238,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,597.36 : 593,470.92 = 158,958.56 : x
  2. Step 2: Convert to fraction form
    395,597.36/593,470.92 = 158,958.56/x
  3. Step 3: Cross multiply
    395,597.36x = 593,470.92 × 158,958.56
  4. Step 4: Simplify right side
    395,597.36x = 94,337,282,845.08
  5. Step 5: Solve for x
    x = 94,337,282,845.08/395,597.36
  6. Step 6: Final answer
    x = 238,467.93

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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.