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Finding the Fourth Proportional to 482,736.90, 666,122.86 and 267,886.02

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Solution

The fourth proportional to 482,736.90, 666,122.86 and 267,886.02 is: 369,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,736.90 : 666,122.86 = 267,886.02 : x
  2. Step 2: Convert to fraction form
    482,736.90/666,122.86 = 267,886.02/x
  3. Step 3: Cross multiply
    482,736.90x = 666,122.86 × 267,886.02
  4. Step 4: Simplify right side
    482,736.90x = 178,445,001,796.42
  5. Step 5: Solve for x
    x = 178,445,001,796.42/482,736.90
  6. Step 6: Final answer
    x = 369,652.71

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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.