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Finding the Fourth Proportional to 482,694.55, 666,247.70 and 301,297.27

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Solution

The fourth proportional to 482,694.55, 666,247.70 and 301,297.27 is: 415,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,694.55 : 666,247.70 = 301,297.27 : x
  2. Step 2: Convert to fraction form
    482,694.55/666,247.70 = 301,297.27/x
  3. Step 3: Cross multiply
    482,694.55x = 666,247.70 × 301,297.27
  4. Step 4: Simplify right side
    482,694.55x = 200,738,613,153.78
  5. Step 5: Solve for x
    x = 200,738,613,153.78/482,694.55
  6. Step 6: Final answer
    x = 415,870.89

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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.