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Finding the Fourth Proportional to 482,518.60, 665,955.40 and 267,727.86

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Solution

The fourth proportional to 482,518.60, 665,955.40 and 267,727.86 is: 369,508.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,518.60 : 665,955.40 = 267,727.86 : x
  2. Step 2: Convert to fraction form
    482,518.60/665,955.40 = 267,727.86/x
  3. Step 3: Cross multiply
    482,518.60x = 665,955.40 × 267,727.86
  4. Step 4: Simplify right side
    482,518.60x = 178,294,814,097.44
  5. Step 5: Solve for x
    x = 178,294,814,097.44/482,518.60
  6. Step 6: Final answer
    x = 369,508.69

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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.