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Finding the Fourth Proportional to 488,796.92, 733,309.86 and 151,820.36

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Solution

The fourth proportional to 488,796.92, 733,309.86 and 151,820.36 is: 227,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,796.92 : 733,309.86 = 151,820.36 : x
  2. Step 2: Convert to fraction form
    488,796.92/733,309.86 = 151,820.36/x
  3. Step 3: Cross multiply
    488,796.92x = 733,309.86 × 151,820.36
  4. Step 4: Simplify right side
    488,796.92x = 111,331,366,936.75
  5. Step 5: Solve for x
    x = 111,331,366,936.75/488,796.92
  6. Step 6: Final answer
    x = 227,766.10

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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.