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Finding the Fourth Proportional to 376,751.78, 519,915.93 and 204,668.90

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Solution

The fourth proportional to 376,751.78, 519,915.93 and 204,668.90 is: 282,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,751.78 : 519,915.93 = 204,668.90 : x
  2. Step 2: Convert to fraction form
    376,751.78/519,915.93 = 204,668.90/x
  3. Step 3: Cross multiply
    376,751.78x = 519,915.93 × 204,668.90
  4. Step 4: Simplify right side
    376,751.78x = 106,410,621,485.58
  5. Step 5: Solve for x
    x = 106,410,621,485.58/376,751.78
  6. Step 6: Final answer
    x = 282,442.25

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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.