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Finding the Fourth Proportional to 479,627.26, 661,886.51 and 264,767.57

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Solution

The fourth proportional to 479,627.26, 661,886.51 and 264,767.57 is: 365,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,627.26 : 661,886.51 = 264,767.57 : x
  2. Step 2: Convert to fraction form
    479,627.26/661,886.51 = 264,767.57/x
  3. Step 3: Cross multiply
    479,627.26x = 661,886.51 × 264,767.57
  4. Step 4: Simplify right side
    479,627.26x = 175,246,080,717.29
  5. Step 5: Solve for x
    x = 175,246,080,717.29/479,627.26
  6. Step 6: Final answer
    x = 365,379.74

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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.