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Finding the Fourth Proportional to 467,861.67, 645,650.67 and 253,003.29

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Solution

The fourth proportional to 467,861.67, 645,650.67 and 253,003.29 is: 349,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,861.67 : 645,650.67 = 253,003.29 : x
  2. Step 2: Convert to fraction form
    467,861.67/645,650.67 = 253,003.29/x
  3. Step 3: Cross multiply
    467,861.67x = 645,650.67 × 253,003.29
  4. Step 4: Simplify right side
    467,861.67x = 163,351,743,700.70
  5. Step 5: Solve for x
    x = 163,351,743,700.70/467,861.67
  6. Step 6: Final answer
    x = 349,145.39

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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.