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Finding the Fourth Proportional to 482,370.12, 665,647.96 and 267,505.57

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Solution

The fourth proportional to 482,370.12, 665,647.96 and 267,505.57 is: 369,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,370.12 : 665,647.96 = 267,505.57 : x
  2. Step 2: Convert to fraction form
    482,370.12/665,647.96 = 267,505.57/x
  3. Step 3: Cross multiply
    482,370.12x = 665,647.96 × 267,505.57
  4. Step 4: Simplify right side
    482,370.12x = 178,064,532,293.37
  5. Step 5: Solve for x
    x = 178,064,532,293.37/482,370.12
  6. Step 6: Final answer
    x = 369,145.03

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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.