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Finding the Fourth Proportional to 712,257, 1,068,440.84 and 206,826.32

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Solution

The fourth proportional to 712,257, 1,068,440.84 and 206,826.32 is: 310,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,257 : 1,068,440.84 = 206,826.32 : x
  2. Step 2: Convert to fraction form
    712,257/1,068,440.84 = 206,826.32/x
  3. Step 3: Cross multiply
    712,257x = 1,068,440.84 × 206,826.32
  4. Step 4: Simplify right side
    712,257x = 220,981,687,074.91
  5. Step 5: Solve for x
    x = 220,981,687,074.91/712,257
  6. Step 6: Final answer
    x = 310,255.55

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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.