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Finding the Fourth Proportional to 492,794.24, 739,184.88 and 118,814.24

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Solution

The fourth proportional to 492,794.24, 739,184.88 and 118,814.24 is: 178,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,794.24 : 739,184.88 = 118,814.24 : x
  2. Step 2: Convert to fraction form
    492,794.24/739,184.88 = 118,814.24/x
  3. Step 3: Cross multiply
    492,794.24x = 739,184.88 × 118,814.24
  4. Step 4: Simplify right side
    492,794.24x = 87,825,689,736.69
  5. Step 5: Solve for x
    x = 87,825,689,736.69/492,794.24
  6. Step 6: Final answer
    x = 178,219.80

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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.