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Finding the Fourth Proportional to 325,770.92, 488,823.58 and 155,185.82

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Solution

The fourth proportional to 325,770.92, 488,823.58 and 155,185.82 is: 232,858.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,770.92 : 488,823.58 = 155,185.82 : x
  2. Step 2: Convert to fraction form
    325,770.92/488,823.58 = 155,185.82/x
  3. Step 3: Cross multiply
    325,770.92x = 488,823.58 × 155,185.82
  4. Step 4: Simplify right side
    325,770.92x = 75,858,488,097.64
  5. Step 5: Solve for x
    x = 75,858,488,097.64/325,770.92
  6. Step 6: Final answer
    x = 232,858.38

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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.