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Finding the Fourth Proportional to 317,451.10, 476,181 and 117,694.30

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Solution

The fourth proportional to 317,451.10, 476,181 and 117,694.30 is: 176,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,451.10 : 476,181 = 117,694.30 : x
  2. Step 2: Convert to fraction form
    317,451.10/476,181 = 117,694.30/x
  3. Step 3: Cross multiply
    317,451.10x = 476,181 × 117,694.30
  4. Step 4: Simplify right side
    317,451.10x = 56,043,789,468.30
  5. Step 5: Solve for x
    x = 56,043,789,468.30/317,451.10
  6. Step 6: Final answer
    x = 176,543.06

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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.