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Finding the Fourth Proportional to 482,370.96, 665,712.84 and 267,580.22

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Solution

The fourth proportional to 482,370.96, 665,712.84 and 267,580.22 is: 369,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,370.96 : 665,712.84 = 267,580.22 : x
  2. Step 2: Convert to fraction form
    482,370.96/665,712.84 = 267,580.22/x
  3. Step 3: Cross multiply
    482,370.96x = 665,712.84 × 267,580.22
  4. Step 4: Simplify right side
    482,370.96x = 178,131,588,184.03
  5. Step 5: Solve for x
    x = 178,131,588,184.03/482,370.96
  6. Step 6: Final answer
    x = 369,283.40

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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.