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Finding the Fourth Proportional to 376,752.18, 519,915.94 and 204,668.77

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Solution

The fourth proportional to 376,752.18, 519,915.94 and 204,668.77 is: 282,441.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,752.18 : 519,915.94 = 204,668.77 : x
  2. Step 2: Convert to fraction form
    376,752.18/519,915.94 = 204,668.77/x
  3. Step 3: Cross multiply
    376,752.18x = 519,915.94 × 204,668.77
  4. Step 4: Simplify right side
    376,752.18x = 106,410,556,314.10
  5. Step 5: Solve for x
    x = 106,410,556,314.10/376,752.18
  6. Step 6: Final answer
    x = 282,441.78

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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.