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Finding the Fourth Proportional to 491,800.41, 737,701.98 and 136,814.77

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Solution

The fourth proportional to 491,800.41, 737,701.98 and 136,814.77 is: 205,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,800.41 : 737,701.98 = 136,814.77 : x
  2. Step 2: Convert to fraction form
    491,800.41/737,701.98 = 136,814.77/x
  3. Step 3: Cross multiply
    491,800.41x = 737,701.98 × 136,814.77
  4. Step 4: Simplify right side
    491,800.41x = 100,928,527,900.90
  5. Step 5: Solve for x
    x = 100,928,527,900.90/491,800.41
  6. Step 6: Final answer
    x = 205,222.54

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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.