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Finding the Fourth Proportional to 317,464.97, 438,107.00 and 174,238.34

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Solution

The fourth proportional to 317,464.97, 438,107.00 and 174,238.34 is: 240,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,464.97 : 438,107.00 = 174,238.34 : x
  2. Step 2: Convert to fraction form
    317,464.97/438,107.00 = 174,238.34/x
  3. Step 3: Cross multiply
    317,464.97x = 438,107.00 × 174,238.34
  4. Step 4: Simplify right side
    317,464.97x = 76,335,033,360.65
  5. Step 5: Solve for x
    x = 76,335,033,360.65/317,464.97
  6. Step 6: Final answer
    x = 240,451.83

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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.