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Finding the Fourth Proportional to 501,175.44, 691,653.60 and 274,820.94

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Solution

The fourth proportional to 501,175.44, 691,653.60 and 274,820.94 is: 379,270.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,175.44 : 691,653.60 = 274,820.94 : x
  2. Step 2: Convert to fraction form
    501,175.44/691,653.60 = 274,820.94/x
  3. Step 3: Cross multiply
    501,175.44x = 691,653.60 × 274,820.94
  4. Step 4: Simplify right side
    501,175.44x = 190,080,892,506.38
  5. Step 5: Solve for x
    x = 190,080,892,506.38/501,175.44
  6. Step 6: Final answer
    x = 379,270.17

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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.