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Finding the Fourth Proportional to 317,451.11, 476,170.47 and 77,566.59

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Solution

The fourth proportional to 317,451.11, 476,170.47 and 77,566.59 is: 116,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,451.11 : 476,170.47 = 77,566.59 : x
  2. Step 2: Convert to fraction form
    317,451.11/476,170.47 = 77,566.59/x
  3. Step 3: Cross multiply
    317,451.11x = 476,170.47 × 77,566.59
  4. Step 4: Simplify right side
    317,451.11x = 36,934,919,616.60
  5. Step 5: Solve for x
    x = 36,934,919,616.60/317,451.11
  6. Step 6: Final answer
    x = 116,348.37

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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.