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Finding the Fourth Proportional to 479,861.79, 662,203.89 and 264,997.54

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Solution

The fourth proportional to 479,861.79, 662,203.89 and 264,997.54 is: 365,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,861.79 : 662,203.89 = 264,997.54 : x
  2. Step 2: Convert to fraction form
    479,861.79/662,203.89 = 264,997.54/x
  3. Step 3: Cross multiply
    479,861.79x = 662,203.89 × 264,997.54
  4. Step 4: Simplify right side
    479,861.79x = 175,482,401,828.43
  5. Step 5: Solve for x
    x = 175,482,401,828.43/479,861.79
  6. Step 6: Final answer
    x = 365,693.63

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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.