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Finding the Fourth Proportional to 383,571.96, 575,233.45 and 181,136.76

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Solution

The fourth proportional to 383,571.96, 575,233.45 and 181,136.76 is: 271,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,571.96 : 575,233.45 = 181,136.76 : x
  2. Step 2: Convert to fraction form
    383,571.96/575,233.45 = 181,136.76/x
  3. Step 3: Cross multiply
    383,571.96x = 575,233.45 × 181,136.76
  4. Step 4: Simplify right side
    383,571.96x = 104,195,920,766.66
  5. Step 5: Solve for x
    x = 104,195,920,766.66/383,571.96
  6. Step 6: Final answer
    x = 271,646.35

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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.