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Finding the Fourth Proportional to 491,460.50, 737,191.06 and 136,474.56

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Solution

The fourth proportional to 491,460.50, 737,191.06 and 136,474.56 is: 204,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,460.50 : 737,191.06 = 136,474.56 : x
  2. Step 2: Convert to fraction form
    491,460.50/737,191.06 = 136,474.56/x
  3. Step 3: Cross multiply
    491,460.50x = 737,191.06 × 136,474.56
  4. Step 4: Simplify right side
    491,460.50x = 100,607,825,549.43
  5. Step 5: Solve for x
    x = 100,607,825,549.43/491,460.50
  6. Step 6: Final answer
    x = 204,711.93

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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.