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Finding the Fourth Proportional to 451,326.88, 676,999.92 and 151,816.48

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Solution

The fourth proportional to 451,326.88, 676,999.92 and 151,816.48 is: 227,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,326.88 : 676,999.92 = 151,816.48 : x
  2. Step 2: Convert to fraction form
    451,326.88/676,999.92 = 151,816.48/x
  3. Step 3: Cross multiply
    451,326.88x = 676,999.92 × 151,816.48
  4. Step 4: Simplify right side
    451,326.88x = 102,779,744,814.68
  5. Step 5: Solve for x
    x = 102,779,744,814.68/451,326.88
  6. Step 6: Final answer
    x = 227,727.95

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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.