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Finding the Fourth Proportional to 401,274.74, 598,375.42 and 397,677.26

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Solution

The fourth proportional to 401,274.74, 598,375.42 and 397,677.26 is: 593,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,274.74 : 598,375.42 = 397,677.26 : x
  2. Step 2: Convert to fraction form
    401,274.74/598,375.42 = 397,677.26/x
  3. Step 3: Cross multiply
    401,274.74x = 598,375.42 × 397,677.26
  4. Step 4: Simplify right side
    401,274.74x = 237,960,297,476.95
  5. Step 5: Solve for x
    x = 237,960,297,476.95/401,274.74
  6. Step 6: Final answer
    x = 593,010.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.