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Finding the Fourth Proportional to 646,018.28, 969,093.70 and 246,994.64

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Solution

The fourth proportional to 646,018.28, 969,093.70 and 246,994.64 is: 370,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,018.28 : 969,093.70 = 246,994.64 : x
  2. Step 2: Convert to fraction form
    646,018.28/969,093.70 = 246,994.64/x
  3. Step 3: Cross multiply
    646,018.28x = 969,093.70 × 246,994.64
  4. Step 4: Simplify right side
    646,018.28x = 239,360,949,557.77
  5. Step 5: Solve for x
    x = 239,360,949,557.77/646,018.28
  6. Step 6: Final answer
    x = 370,517.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.