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Finding the Fourth Proportional to 482,486.17, 665,910.77 and 267,695.43

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Solution

The fourth proportional to 482,486.17, 665,910.77 and 267,695.43 is: 369,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,486.17 : 665,910.77 = 267,695.43 : x
  2. Step 2: Convert to fraction form
    482,486.17/665,910.77 = 267,695.43/x
  3. Step 3: Cross multiply
    482,486.17x = 665,910.77 × 267,695.43
  4. Step 4: Simplify right side
    482,486.17x = 178,261,271,332.67
  5. Step 5: Solve for x
    x = 178,261,271,332.67/482,486.17
  6. Step 6: Final answer
    x = 369,464.00

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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.