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Finding the Fourth Proportional to 371,366.88, 512,492.52 and 201,601

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Solution

The fourth proportional to 371,366.88, 512,492.52 and 201,601 is: 278,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,366.88 : 512,492.52 = 201,601 : x
  2. Step 2: Convert to fraction form
    371,366.88/512,492.52 = 201,601/x
  3. Step 3: Cross multiply
    371,366.88x = 512,492.52 × 201,601
  4. Step 4: Simplify right side
    371,366.88x = 103,319,004,524.52
  5. Step 5: Solve for x
    x = 103,319,004,524.52/371,366.88
  6. Step 6: Final answer
    x = 278,212.76

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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.