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Finding the Fourth Proportional to 443,893.77, 666,338.22 and 177,839.78

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Solution

The fourth proportional to 443,893.77, 666,338.22 and 177,839.78 is: 266,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,893.77 : 666,338.22 = 177,839.78 : x
  2. Step 2: Convert to fraction form
    443,893.77/666,338.22 = 177,839.78/x
  3. Step 3: Cross multiply
    443,893.77x = 666,338.22 × 177,839.78
  4. Step 4: Simplify right side
    443,893.77x = 118,501,439,118.70
  5. Step 5: Solve for x
    x = 118,501,439,118.70/443,893.77
  6. Step 6: Final answer
    x = 266,959.00

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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.