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Finding the Fourth Proportional to 479,697.26, 661,983.19 and 264,837.74

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Solution

The fourth proportional to 479,697.26, 661,983.19 and 264,837.74 is: 365,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,697.26 : 661,983.19 = 264,837.74 : x
  2. Step 2: Convert to fraction form
    479,697.26/661,983.19 = 264,837.74/x
  3. Step 3: Cross multiply
    479,697.26x = 661,983.19 × 264,837.74
  4. Step 4: Simplify right side
    479,697.26x = 175,318,128,647.68
  5. Step 5: Solve for x
    x = 175,318,128,647.68/479,697.26
  6. Step 6: Final answer
    x = 365,476.61

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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.