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Finding the Fourth Proportional to 308,336.36, 462,223.98 and 118,675.88

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Solution

The fourth proportional to 308,336.36, 462,223.98 and 118,675.88 is: 177,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,336.36 : 462,223.98 = 118,675.88 : x
  2. Step 2: Convert to fraction form
    308,336.36/462,223.98 = 118,675.88/x
  3. Step 3: Cross multiply
    308,336.36x = 462,223.98 × 118,675.88
  4. Step 4: Simplify right side
    308,336.36x = 54,854,837,583.60
  5. Step 5: Solve for x
    x = 54,854,837,583.60/308,336.36
  6. Step 6: Final answer
    x = 177,905.83

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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.