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Finding the Fourth Proportional to 329,447.25, 454,639.94 and 178,544.25

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Solution

The fourth proportional to 329,447.25, 454,639.94 and 178,544.25 is: 246,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,447.25 : 454,639.94 = 178,544.25 : x
  2. Step 2: Convert to fraction form
    329,447.25/454,639.94 = 178,544.25/x
  3. Step 3: Cross multiply
    329,447.25x = 454,639.94 × 178,544.25
  4. Step 4: Simplify right side
    329,447.25x = 81,173,346,884.16
  5. Step 5: Solve for x
    x = 81,173,346,884.16/329,447.25
  6. Step 6: Final answer
    x = 246,392.55

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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.