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Finding the Fourth Proportional to 383,008.68, 574,513.62 and 158,122.29

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Solution

The fourth proportional to 383,008.68, 574,513.62 and 158,122.29 is: 237,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,008.68 : 574,513.62 = 158,122.29 : x
  2. Step 2: Convert to fraction form
    383,008.68/574,513.62 = 158,122.29/x
  3. Step 3: Cross multiply
    383,008.68x = 574,513.62 × 158,122.29
  4. Step 4: Simplify right side
    383,008.68x = 90,843,409,230.59
  5. Step 5: Solve for x
    x = 90,843,409,230.59/383,008.68
  6. Step 6: Final answer
    x = 237,183.68

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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.