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Finding the Fourth Proportional to 482,369, 665,669.22 and 267,541.96

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Solution

The fourth proportional to 482,369, 665,669.22 and 267,541.96 is: 369,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,369 : 665,669.22 = 267,541.96 : x
  2. Step 2: Convert to fraction form
    482,369/665,669.22 = 267,541.96/x
  3. Step 3: Cross multiply
    482,369x = 665,669.22 × 267,541.96
  4. Step 4: Simplify right side
    482,369x = 178,094,447,830.47
  5. Step 5: Solve for x
    x = 178,094,447,830.47/482,369
  6. Step 6: Final answer
    x = 369,207.90

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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.