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Finding the Fourth Proportional to 454,417.64, 627,132.50 and 250,504.84

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Solution

The fourth proportional to 454,417.64, 627,132.50 and 250,504.84 is: 345,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,417.64 : 627,132.50 = 250,504.84 : x
  2. Step 2: Convert to fraction form
    454,417.64/627,132.50 = 250,504.84/x
  3. Step 3: Cross multiply
    454,417.64x = 627,132.50 × 250,504.84
  4. Step 4: Simplify right side
    454,417.64x = 157,099,726,571.30
  5. Step 5: Solve for x
    x = 157,099,726,571.30/454,417.64
  6. Step 6: Final answer
    x = 345,716.61

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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.