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Finding the Fourth Proportional to 283,468.20, 425,835.90 and 236,812.20

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Solution

The fourth proportional to 283,468.20, 425,835.90 and 236,812.20 is: 355,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,468.20 : 425,835.90 = 236,812.20 : x
  2. Step 2: Convert to fraction form
    283,468.20/425,835.90 = 236,812.20/x
  3. Step 3: Cross multiply
    283,468.20x = 425,835.90 × 236,812.20
  4. Step 4: Simplify right side
    283,468.20x = 100,843,136,317.98
  5. Step 5: Solve for x
    x = 100,843,136,317.98/283,468.20
  6. Step 6: Final answer
    x = 355,747.62

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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.