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Finding the Fourth Proportional to 377,915.85, 521,504.19 and 234,672.82

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Solution

The fourth proportional to 377,915.85, 521,504.19 and 234,672.82 is: 323,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,915.85 : 521,504.19 = 234,672.82 : x
  2. Step 2: Convert to fraction form
    377,915.85/521,504.19 = 234,672.82/x
  3. Step 3: Cross multiply
    377,915.85x = 521,504.19 × 234,672.82
  4. Step 4: Simplify right side
    377,915.85x = 122,382,857,605.36
  5. Step 5: Solve for x
    x = 122,382,857,605.36/377,915.85
  6. Step 6: Final answer
    x = 323,836.27

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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.