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Finding the Fourth Proportional to 206,393.22, 309,590.19 and 56,635.56

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Solution

The fourth proportional to 206,393.22, 309,590.19 and 56,635.56 is: 84,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,393.22 : 309,590.19 = 56,635.56 : x
  2. Step 2: Convert to fraction form
    206,393.22/309,590.19 = 56,635.56/x
  3. Step 3: Cross multiply
    206,393.22x = 309,590.19 × 56,635.56
  4. Step 4: Simplify right side
    206,393.22x = 17,533,813,781.16
  5. Step 5: Solve for x
    x = 17,533,813,781.16/206,393.22
  6. Step 6: Final answer
    x = 84,953.44

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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.