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Finding the Fourth Proportional to 336,898.45, 504,910.63 and 136,986.13

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Solution

The fourth proportional to 336,898.45, 504,910.63 and 136,986.13 is: 205,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,898.45 : 504,910.63 = 136,986.13 : x
  2. Step 2: Convert to fraction form
    336,898.45/504,910.63 = 136,986.13/x
  3. Step 3: Cross multiply
    336,898.45x = 504,910.63 × 136,986.13
  4. Step 4: Simplify right side
    336,898.45x = 69,165,753,199.56
  5. Step 5: Solve for x
    x = 69,165,753,199.56/336,898.45
  6. Step 6: Final answer
    x = 205,301.49

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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.