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Finding the Fourth Proportional to 482,673.56, 666,079.32 and 267,809

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Solution

The fourth proportional to 482,673.56, 666,079.32 and 267,809 is: 369,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,673.56 : 666,079.32 = 267,809 : x
  2. Step 2: Convert to fraction form
    482,673.56/666,079.32 = 267,809/x
  3. Step 3: Cross multiply
    482,673.56x = 666,079.32 × 267,809
  4. Step 4: Simplify right side
    482,673.56x = 178,382,036,609.88
  5. Step 5: Solve for x
    x = 178,382,036,609.88/482,673.56
  6. Step 6: Final answer
    x = 369,570.76

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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.