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Finding the Fourth Proportional to 471,375.54, 650,497.04 and 256,515.55

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Solution

The fourth proportional to 471,375.54, 650,497.04 and 256,515.55 is: 353,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,375.54 : 650,497.04 = 256,515.55 : x
  2. Step 2: Convert to fraction form
    471,375.54/650,497.04 = 256,515.55/x
  3. Step 3: Cross multiply
    471,375.54x = 650,497.04 × 256,515.55
  4. Step 4: Simplify right side
    471,375.54x = 166,862,605,988.97
  5. Step 5: Solve for x
    x = 166,862,605,988.97/471,375.54
  6. Step 6: Final answer
    x = 353,990.80

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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.