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Finding the Fourth Proportional to 482,412.90, 665,770.68 and 267,622.16

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Solution

The fourth proportional to 482,412.90, 665,770.68 and 267,622.16 is: 369,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,412.90 : 665,770.68 = 267,622.16 : x
  2. Step 2: Convert to fraction form
    482,412.90/665,770.68 = 267,622.16/x
  3. Step 3: Cross multiply
    482,412.90x = 665,770.68 × 267,622.16
  4. Step 4: Simplify right side
    482,412.90x = 178,174,987,446.27
  5. Step 5: Solve for x
    x = 178,174,987,446.27/482,412.90
  6. Step 6: Final answer
    x = 369,341.26

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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.