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Finding the Fourth Proportional to 330,591.52, 495,596.59 and 131,052.07

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Solution

The fourth proportional to 330,591.52, 495,596.59 and 131,052.07 is: 196,462.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,591.52 : 495,596.59 = 131,052.07 : x
  2. Step 2: Convert to fraction form
    330,591.52/495,596.59 = 131,052.07/x
  3. Step 3: Cross multiply
    330,591.52x = 495,596.59 × 131,052.07
  4. Step 4: Simplify right side
    330,591.52x = 64,948,957,437.82
  5. Step 5: Solve for x
    x = 64,948,957,437.82/330,591.52
  6. Step 6: Final answer
    x = 196,462.87

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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.