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Finding the Fourth Proportional to 274,664.40, 411,996.60 and 97,371.60

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Solution

The fourth proportional to 274,664.40, 411,996.60 and 97,371.60 is: 146,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,664.40 : 411,996.60 = 97,371.60 : x
  2. Step 2: Convert to fraction form
    274,664.40/411,996.60 = 97,371.60/x
  3. Step 3: Cross multiply
    274,664.40x = 411,996.60 × 97,371.60
  4. Step 4: Simplify right side
    274,664.40x = 40,116,768,136.56
  5. Step 5: Solve for x
    x = 40,116,768,136.56/274,664.40
  6. Step 6: Final answer
    x = 146,057.40

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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.