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Finding the Fourth Proportional to 479,344.53, 661,509.29 and 264,498.44

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Solution

The fourth proportional to 479,344.53, 661,509.29 and 264,498.44 is: 365,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,344.53 : 661,509.29 = 264,498.44 : x
  2. Step 2: Convert to fraction form
    479,344.53/661,509.29 = 264,498.44/x
  3. Step 3: Cross multiply
    479,344.53x = 661,509.29 × 264,498.44
  4. Step 4: Simplify right side
    479,344.53x = 174,968,170,620.47
  5. Step 5: Solve for x
    x = 174,968,170,620.47/479,344.53
  6. Step 6: Final answer
    x = 365,015.47

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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.