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Finding the Fourth Proportional to 454,351.60, 627,007.76 and 263,478.32

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Solution

The fourth proportional to 454,351.60, 627,007.76 and 263,478.32 is: 363,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,351.60 : 627,007.76 = 263,478.32 : x
  2. Step 2: Convert to fraction form
    454,351.60/627,007.76 = 263,478.32/x
  3. Step 3: Cross multiply
    454,351.60x = 627,007.76 × 263,478.32
  4. Step 4: Simplify right side
    454,351.60x = 165,202,951,231.76
  5. Step 5: Solve for x
    x = 165,202,951,231.76/454,351.60
  6. Step 6: Final answer
    x = 363,601.56

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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.