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Finding the Fourth Proportional to 283,468.70, 425,836.65 and 236,812.70

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Solution

The fourth proportional to 283,468.70, 425,836.65 and 236,812.70 is: 355,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,468.70 : 425,836.65 = 236,812.70 : x
  2. Step 2: Convert to fraction form
    283,468.70/425,836.65 = 236,812.70/x
  3. Step 3: Cross multiply
    283,468.70x = 425,836.65 × 236,812.70
  4. Step 4: Simplify right side
    283,468.70x = 100,843,526,845.46
  5. Step 5: Solve for x
    x = 100,843,526,845.46/283,468.70
  6. Step 6: Final answer
    x = 355,748.37

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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.