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Finding the Fourth Proportional to 454,809.60, 627,629.32 and 250,879.12

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Solution

The fourth proportional to 454,809.60, 627,629.32 and 250,879.12 is: 346,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,809.60 : 627,629.32 = 250,879.12 : x
  2. Step 2: Convert to fraction form
    454,809.60/627,629.32 = 250,879.12/x
  3. Step 3: Cross multiply
    454,809.60x = 627,629.32 × 250,879.12
  4. Step 4: Simplify right side
    454,809.60x = 157,459,091,487.80
  5. Step 5: Solve for x
    x = 157,459,091,487.80/454,809.60
  6. Step 6: Final answer
    x = 346,208.81

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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.