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Finding the Fourth Proportional to 906,967.92, 1,360,451.88 and 330,634.43

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Solution

The fourth proportional to 906,967.92, 1,360,451.88 and 330,634.43 is: 495,951.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,967.92 : 1,360,451.88 = 330,634.43 : x
  2. Step 2: Convert to fraction form
    906,967.92/1,360,451.88 = 330,634.43/x
  3. Step 3: Cross multiply
    906,967.92x = 1,360,451.88 × 330,634.43
  4. Step 4: Simplify right side
    906,967.92x = 449,812,223,844.09
  5. Step 5: Solve for x
    x = 449,812,223,844.09/906,967.92
  6. Step 6: Final answer
    x = 495,951.64

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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.