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Finding the Fourth Proportional to 650,992.62, 976,015.77 and 272,021.85

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Solution

The fourth proportional to 650,992.62, 976,015.77 and 272,021.85 is: 407,835.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,992.62 : 976,015.77 = 272,021.85 : x
  2. Step 2: Convert to fraction form
    650,992.62/976,015.77 = 272,021.85/x
  3. Step 3: Cross multiply
    650,992.62x = 976,015.77 × 272,021.85
  4. Step 4: Simplify right side
    650,992.62x = 265,497,615,384.58
  5. Step 5: Solve for x
    x = 265,497,615,384.58/650,992.62
  6. Step 6: Final answer
    x = 407,835.06

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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.