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Finding the Fourth Proportional to 482,235.21, 665,483.45 and 267,369.75

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Solution

The fourth proportional to 482,235.21, 665,483.45 and 267,369.75 is: 368,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,235.21 : 665,483.45 = 267,369.75 : x
  2. Step 2: Convert to fraction form
    482,235.21/665,483.45 = 267,369.75/x
  3. Step 3: Cross multiply
    482,235.21x = 665,483.45 × 267,369.75
  4. Step 4: Simplify right side
    482,235.21x = 177,930,142,318.79
  5. Step 5: Solve for x
    x = 177,930,142,318.79/482,235.21
  6. Step 6: Final answer
    x = 368,969.62

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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.