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Finding the Fourth Proportional to 411,327.77, 616,952.77 and 130,795.61

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Solution

The fourth proportional to 411,327.77, 616,952.77 and 130,795.61 is: 196,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,327.77 : 616,952.77 = 130,795.61 : x
  2. Step 2: Convert to fraction form
    411,327.77/616,952.77 = 130,795.61/x
  3. Step 3: Cross multiply
    411,327.77x = 616,952.77 × 130,795.61
  4. Step 4: Simplify right side
    411,327.77x = 80,694,710,481.59
  5. Step 5: Solve for x
    x = 80,694,710,481.59/411,327.77
  6. Step 6: Final answer
    x = 196,181.04

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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.