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Finding the Fourth Proportional to 317,231.90, 437,796.06 and 174,005.27

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Solution

The fourth proportional to 317,231.90, 437,796.06 and 174,005.27 is: 240,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,231.90 : 437,796.06 = 174,005.27 : x
  2. Step 2: Convert to fraction form
    317,231.90/437,796.06 = 174,005.27/x
  3. Step 3: Cross multiply
    317,231.90x = 437,796.06 × 174,005.27
  4. Step 4: Simplify right side
    317,231.90x = 76,178,821,625.24
  5. Step 5: Solve for x
    x = 76,178,821,625.24/317,231.90
  6. Step 6: Final answer
    x = 240,136.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.