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Finding the Fourth Proportional to 296,511.72, 444,327.75 and 155,843.88

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Solution

The fourth proportional to 296,511.72, 444,327.75 and 155,843.88 is: 233,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,511.72 : 444,327.75 = 155,843.88 : x
  2. Step 2: Convert to fraction form
    296,511.72/444,327.75 = 155,843.88/x
  3. Step 3: Cross multiply
    296,511.72x = 444,327.75 × 155,843.88
  4. Step 4: Simplify right side
    296,511.72x = 69,245,760,551.67
  5. Step 5: Solve for x
    x = 69,245,760,551.67/296,511.72
  6. Step 6: Final answer
    x = 233,534.65

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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.