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Finding the Fourth Proportional to 267,075, 400,036.56 and 251,372.34

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Solution

The fourth proportional to 267,075, 400,036.56 and 251,372.34 is: 376,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,075 : 400,036.56 = 251,372.34 : x
  2. Step 2: Convert to fraction form
    267,075/400,036.56 = 251,372.34/x
  3. Step 3: Cross multiply
    267,075x = 400,036.56 × 251,372.34
  4. Step 4: Simplify right side
    267,075x = 100,558,126,172.75
  5. Step 5: Solve for x
    x = 100,558,126,172.75/267,075
  6. Step 6: Final answer
    x = 376,516.43

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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.