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Finding the Fourth Proportional to 574,429.35, 861,578.37 and 153,738.03

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Solution

The fourth proportional to 574,429.35, 861,578.37 and 153,738.03 is: 230,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,429.35 : 861,578.37 = 153,738.03 : x
  2. Step 2: Convert to fraction form
    574,429.35/861,578.37 = 153,738.03/x
  3. Step 3: Cross multiply
    574,429.35x = 861,578.37 × 153,738.03
  4. Step 4: Simplify right side
    574,429.35x = 132,457,361,294.41
  5. Step 5: Solve for x
    x = 132,457,361,294.41/574,429.35
  6. Step 6: Final answer
    x = 230,589.47

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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.