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Finding the Fourth Proportional to 425,954.50, 587,817.20 and 234,967.84

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Solution

The fourth proportional to 425,954.50, 587,817.20 and 234,967.84 is: 324,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,954.50 : 587,817.20 = 234,967.84 : x
  2. Step 2: Convert to fraction form
    425,954.50/587,817.20 = 234,967.84/x
  3. Step 3: Cross multiply
    425,954.50x = 587,817.20 × 234,967.84
  4. Step 4: Simplify right side
    425,954.50x = 138,118,136,916.73
  5. Step 5: Solve for x
    x = 138,118,136,916.73/425,954.50
  6. Step 6: Final answer
    x = 324,255.61

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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.