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Finding the Fourth Proportional to 366,915.63, 550,366.16 and 208,805.25

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Solution

The fourth proportional to 366,915.63, 550,366.16 and 208,805.25 is: 313,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,915.63 : 550,366.16 = 208,805.25 : x
  2. Step 2: Convert to fraction form
    366,915.63/550,366.16 = 208,805.25/x
  3. Step 3: Cross multiply
    366,915.63x = 550,366.16 × 208,805.25
  4. Step 4: Simplify right side
    366,915.63x = 114,919,342,586.31
  5. Step 5: Solve for x
    x = 114,919,342,586.31/366,915.63
  6. Step 6: Final answer
    x = 313,203.73

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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.