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Finding the Fourth Proportional to 317,107.22, 437,604.63 and 173,866.91

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Solution

The fourth proportional to 317,107.22, 437,604.63 and 173,866.91 is: 239,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,107.22 : 437,604.63 = 173,866.91 : x
  2. Step 2: Convert to fraction form
    317,107.22/437,604.63 = 173,866.91/x
  3. Step 3: Cross multiply
    317,107.22x = 437,604.63 × 173,866.91
  4. Step 4: Simplify right side
    317,107.22x = 76,084,964,819.79
  5. Step 5: Solve for x
    x = 76,084,964,819.79/317,107.22
  6. Step 6: Final answer
    x = 239,934.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.