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Finding the Fourth Proportional to 606,446.16, 836,262.54 and 422,898.12

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Solution

The fourth proportional to 606,446.16, 836,262.54 and 422,898.12 is: 583,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,446.16 : 836,262.54 = 422,898.12 : x
  2. Step 2: Convert to fraction form
    606,446.16/836,262.54 = 422,898.12/x
  3. Step 3: Cross multiply
    606,446.16x = 836,262.54 × 422,898.12
  4. Step 4: Simplify right side
    606,446.16x = 353,653,855,992.43
  5. Step 5: Solve for x
    x = 353,653,855,992.43/606,446.16
  6. Step 6: Final answer
    x = 583,157.88

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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.