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Finding the Fourth Proportional to 461,702.64, 635,728.44 and 393,566.88

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Solution

The fourth proportional to 461,702.64, 635,728.44 and 393,566.88 is: 541,910.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,702.64 : 635,728.44 = 393,566.88 : x
  2. Step 2: Convert to fraction form
    461,702.64/635,728.44 = 393,566.88/x
  3. Step 3: Cross multiply
    461,702.64x = 635,728.44 × 393,566.88
  4. Step 4: Simplify right side
    461,702.64x = 250,201,658,658.07
  5. Step 5: Solve for x
    x = 250,201,658,658.07/461,702.64
  6. Step 6: Final answer
    x = 541,910.83

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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.