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Finding the Fourth Proportional to 395,793.60, 593,690.40 and 159,014.40

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Solution

The fourth proportional to 395,793.60, 593,690.40 and 159,014.40 is: 238,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,793.60 : 593,690.40 = 159,014.40 : x
  2. Step 2: Convert to fraction form
    395,793.60/593,690.40 = 159,014.40/x
  3. Step 3: Cross multiply
    395,793.60x = 593,690.40 × 159,014.40
  4. Step 4: Simplify right side
    395,793.60x = 94,405,322,741.76
  5. Step 5: Solve for x
    x = 94,405,322,741.76/395,793.60
  6. Step 6: Final answer
    x = 238,521.60

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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.