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Finding the Fourth Proportional to 365,704.53, 548,359.55 and 165,915.91

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Solution

The fourth proportional to 365,704.53, 548,359.55 and 165,915.91 is: 248,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,704.53 : 548,359.55 = 165,915.91 : x
  2. Step 2: Convert to fraction form
    365,704.53/548,359.55 = 165,915.91/x
  3. Step 3: Cross multiply
    365,704.53x = 548,359.55 × 165,915.91
  4. Step 4: Simplify right side
    365,704.53x = 90,981,571,003.64
  5. Step 5: Solve for x
    x = 90,981,571,003.64/365,704.53
  6. Step 6: Final answer
    x = 248,784.37

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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.