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Finding the Fourth Proportional to 462,441.75, 638,169.62 and 250,473.75

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Solution

The fourth proportional to 462,441.75, 638,169.62 and 250,473.75 is: 345,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,441.75 : 638,169.62 = 250,473.75 : x
  2. Step 2: Convert to fraction form
    462,441.75/638,169.62 = 250,473.75/x
  3. Step 3: Cross multiply
    462,441.75x = 638,169.62 × 250,473.75
  4. Step 4: Simplify right side
    462,441.75x = 159,844,736,605.11
  5. Step 5: Solve for x
    x = 159,844,736,605.11/462,441.75
  6. Step 6: Final answer
    x = 345,653.78

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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.