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Finding the Fourth Proportional to 482,790.56, 666,290.76 and 267,926.72

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Solution

The fourth proportional to 482,790.56, 666,290.76 and 267,926.72 is: 369,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,790.56 : 666,290.76 = 267,926.72 : x
  2. Step 2: Convert to fraction form
    482,790.56/666,290.76 = 267,926.72/x
  3. Step 3: Cross multiply
    482,790.56x = 666,290.76 × 267,926.72
  4. Step 4: Simplify right side
    482,790.56x = 178,517,097,893.11
  5. Step 5: Solve for x
    x = 178,517,097,893.11/482,790.56
  6. Step 6: Final answer
    x = 369,760.95

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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.