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Finding the Fourth Proportional to 454,439.99, 627,131.57 and 250,498.77

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Solution

The fourth proportional to 454,439.99, 627,131.57 and 250,498.77 is: 345,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,439.99 : 627,131.57 = 250,498.77 : x
  2. Step 2: Convert to fraction form
    454,439.99/627,131.57 = 250,498.77/x
  3. Step 3: Cross multiply
    454,439.99x = 627,131.57 × 250,498.77
  4. Step 4: Simplify right side
    454,439.99x = 157,095,685,660.68
  5. Step 5: Solve for x
    x = 157,095,685,660.68/454,439.99
  6. Step 6: Final answer
    x = 345,690.72

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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.