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Finding the Fourth Proportional to 425,697.23, 587,466.16 and 234,717.41

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Solution

The fourth proportional to 425,697.23, 587,466.16 and 234,717.41 is: 323,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,697.23 : 587,466.16 = 234,717.41 : x
  2. Step 2: Convert to fraction form
    425,697.23/587,466.16 = 234,717.41/x
  3. Step 3: Cross multiply
    425,697.23x = 587,466.16 × 234,717.41
  4. Step 4: Simplify right side
    425,697.23x = 137,888,536,419.72
  5. Step 5: Solve for x
    x = 137,888,536,419.72/425,697.23
  6. Step 6: Final answer
    x = 323,912.22

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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.