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Finding the Fourth Proportional to 267,482.10, 401,002.02 and 208,578.90

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Solution

The fourth proportional to 267,482.10, 401,002.02 and 208,578.90 is: 312,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,482.10 : 401,002.02 = 208,578.90 : x
  2. Step 2: Convert to fraction form
    267,482.10/401,002.02 = 208,578.90/x
  3. Step 3: Cross multiply
    267,482.10x = 401,002.02 × 208,578.90
  4. Step 4: Simplify right side
    267,482.10x = 83,640,560,229.38
  5. Step 5: Solve for x
    x = 83,640,560,229.38/267,482.10
  6. Step 6: Final answer
    x = 312,695.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.