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Finding the Fourth Proportional to 317,671.77, 476,566.44 and 104,451.42

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Solution

The fourth proportional to 317,671.77, 476,566.44 and 104,451.42 is: 156,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,671.77 : 476,566.44 = 104,451.42 : x
  2. Step 2: Convert to fraction form
    317,671.77/476,566.44 = 104,451.42/x
  3. Step 3: Cross multiply
    317,671.77x = 476,566.44 × 104,451.42
  4. Step 4: Simplify right side
    317,671.77x = 49,778,042,777.78
  5. Step 5: Solve for x
    x = 49,778,042,777.78/317,671.77
  6. Step 6: Final answer
    x = 156,696.46

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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.