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Finding the Fourth Proportional to 482,417.44, 665,776.84 and 267,626.64

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Solution

The fourth proportional to 482,417.44, 665,776.84 and 267,626.64 is: 369,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,417.44 : 665,776.84 = 267,626.64 : x
  2. Step 2: Convert to fraction form
    482,417.44/665,776.84 = 267,626.64/x
  3. Step 3: Cross multiply
    482,417.44x = 665,776.84 × 267,626.64
  4. Step 4: Simplify right side
    482,417.44x = 178,179,618,679.02
  5. Step 5: Solve for x
    x = 178,179,618,679.02/482,417.44
  6. Step 6: Final answer
    x = 369,347.38

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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.