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Finding the Fourth Proportional to 479,459.43, 661,650.96 and 264,599.49

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Solution

The fourth proportional to 479,459.43, 661,650.96 and 264,599.49 is: 365,145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,459.43 : 661,650.96 = 264,599.49 : x
  2. Step 2: Convert to fraction form
    479,459.43/661,650.96 = 264,599.49/x
  3. Step 3: Cross multiply
    479,459.43x = 661,650.96 × 264,599.49
  4. Step 4: Simplify right side
    479,459.43x = 175,072,508,930.84
  5. Step 5: Solve for x
    x = 175,072,508,930.84/479,459.43
  6. Step 6: Final answer
    x = 365,145.62

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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.