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Finding the Fourth Proportional to 482,690.58, 666,117.60 and 267,850.64

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Solution

The fourth proportional to 482,690.58, 666,117.60 and 267,850.64 is: 369,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,690.58 : 666,117.60 = 267,850.64 : x
  2. Step 2: Convert to fraction form
    482,690.58/666,117.60 = 267,850.64/x
  3. Step 3: Cross multiply
    482,690.58x = 666,117.60 × 267,850.64
  4. Step 4: Simplify right side
    482,690.58x = 178,420,025,475.26
  5. Step 5: Solve for x
    x = 178,420,025,475.26/482,690.58
  6. Step 6: Final answer
    x = 369,636.44

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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.