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Finding the Fourth Proportional to 507,363.27, 700,631.97 and 379,817.43

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Solution

The fourth proportional to 507,363.27, 700,631.97 and 379,817.43 is: 524,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,363.27 : 700,631.97 = 379,817.43 : x
  2. Step 2: Convert to fraction form
    507,363.27/700,631.97 = 379,817.43/x
  3. Step 3: Cross multiply
    507,363.27x = 700,631.97 × 379,817.43
  4. Step 4: Simplify right side
    507,363.27x = 266,112,234,221.24
  5. Step 5: Solve for x
    x = 266,112,234,221.24/507,363.27
  6. Step 6: Final answer
    x = 524,500.39

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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.