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Finding the Fourth Proportional to 492,635.25, 738,952.88 and 118,658.25

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Solution

The fourth proportional to 492,635.25, 738,952.88 and 118,658.25 is: 177,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,635.25 : 738,952.88 = 118,658.25 : x
  2. Step 2: Convert to fraction form
    492,635.25/738,952.88 = 118,658.25/x
  3. Step 3: Cross multiply
    492,635.25x = 738,952.88 × 118,658.25
  4. Step 4: Simplify right side
    492,635.25x = 87,682,854,979.97
  5. Step 5: Solve for x
    x = 87,682,854,979.97/492,635.25
  6. Step 6: Final answer
    x = 177,987.38

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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.