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Finding the Fourth Proportional to 349,297.46, 523,958.49 and 136,081.34

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Solution

The fourth proportional to 349,297.46, 523,958.49 and 136,081.34 is: 204,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,297.46 : 523,958.49 = 136,081.34 : x
  2. Step 2: Convert to fraction form
    349,297.46/523,958.49 = 136,081.34/x
  3. Step 3: Cross multiply
    349,297.46x = 523,958.49 × 136,081.34
  4. Step 4: Simplify right side
    349,297.46x = 71,300,973,423.58
  5. Step 5: Solve for x
    x = 71,300,973,423.58/349,297.46
  6. Step 6: Final answer
    x = 204,126.80

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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.