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Finding the Fourth Proportional to 481,915.49, 665,026.61 and 267,075.54

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Solution

The fourth proportional to 481,915.49, 665,026.61 and 267,075.54 is: 368,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,915.49 : 665,026.61 = 267,075.54 : x
  2. Step 2: Convert to fraction form
    481,915.49/665,026.61 = 267,075.54/x
  3. Step 3: Cross multiply
    481,915.49x = 665,026.61 × 267,075.54
  4. Step 4: Simplify right side
    481,915.49x = 177,612,339,644.74
  5. Step 5: Solve for x
    x = 177,612,339,644.74/481,915.49
  6. Step 6: Final answer
    x = 368,554.95

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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.