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Finding the Fourth Proportional to 267,483.10, 401,003.52 and 208,579.90

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Solution

The fourth proportional to 267,483.10, 401,003.52 and 208,579.90 is: 312,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,483.10 : 401,003.52 = 208,579.90 : x
  2. Step 2: Convert to fraction form
    267,483.10/401,003.52 = 208,579.90/x
  3. Step 3: Cross multiply
    267,483.10x = 401,003.52 × 208,579.90
  4. Step 4: Simplify right side
    267,483.10x = 83,641,274,101.25
  5. Step 5: Solve for x
    x = 83,641,274,101.25/267,483.10
  6. Step 6: Final answer
    x = 312,697.42

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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.