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Finding the Fourth Proportional to 308,292.39, 462,123.38 and 174,890.85

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Solution

The fourth proportional to 308,292.39, 462,123.38 and 174,890.85 is: 262,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,292.39 : 462,123.38 = 174,890.85 : x
  2. Step 2: Convert to fraction form
    308,292.39/462,123.38 = 174,890.85/x
  3. Step 3: Cross multiply
    308,292.39x = 462,123.38 × 174,890.85
  4. Step 4: Simplify right side
    308,292.39x = 80,821,149,858.62
  5. Step 5: Solve for x
    x = 80,821,149,858.62/308,292.39
  6. Step 6: Final answer
    x = 262,157.46

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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.