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Finding the Fourth Proportional to 538,996.76, 808,575.88 and 174,136.44

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Solution

The fourth proportional to 538,996.76, 808,575.88 and 174,136.44 is: 261,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,996.76 : 808,575.88 = 174,136.44 : x
  2. Step 2: Convert to fraction form
    538,996.76/808,575.88 = 174,136.44/x
  3. Step 3: Cross multiply
    538,996.76x = 808,575.88 × 174,136.44
  4. Step 4: Simplify right side
    538,996.76x = 140,802,525,213.07
  5. Step 5: Solve for x
    x = 140,802,525,213.07/538,996.76
  6. Step 6: Final answer
    x = 261,230.75

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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.