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Finding the Fourth Proportional to 536,230.10, 739,817.50 and 303,625.31

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Solution

The fourth proportional to 536,230.10, 739,817.50 and 303,625.31 is: 418,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,230.10 : 739,817.50 = 303,625.31 : x
  2. Step 2: Convert to fraction form
    536,230.10/739,817.50 = 303,625.31/x
  3. Step 3: Cross multiply
    536,230.10x = 739,817.50 × 303,625.31
  4. Step 4: Simplify right side
    536,230.10x = 224,627,317,021.86
  5. Step 5: Solve for x
    x = 224,627,317,021.86/536,230.10
  6. Step 6: Final answer
    x = 418,900.98

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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.