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Finding the Fourth Proportional to 395,597.86, 593,471.67 and 158,959.06

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Solution

The fourth proportional to 395,597.86, 593,471.67 and 158,959.06 is: 238,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,597.86 : 593,471.67 = 158,959.06 : x
  2. Step 2: Convert to fraction form
    395,597.86/593,471.67 = 158,959.06/x
  3. Step 3: Cross multiply
    395,597.86x = 593,471.67 × 158,959.06
  4. Step 4: Simplify right side
    395,597.86x = 94,337,698,799.83
  5. Step 5: Solve for x
    x = 94,337,698,799.83/395,597.86
  6. Step 6: Final answer
    x = 238,468.68

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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.