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Finding the Fourth Proportional to 296,718.06, 445,662.45 and 254,939.34

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Solution

The fourth proportional to 296,718.06, 445,662.45 and 254,939.34 is: 382,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,718.06 : 445,662.45 = 254,939.34 : x
  2. Step 2: Convert to fraction form
    296,718.06/445,662.45 = 254,939.34/x
  3. Step 3: Cross multiply
    296,718.06x = 445,662.45 × 254,939.34
  4. Step 4: Simplify right side
    296,718.06x = 113,616,890,865.78
  5. Step 5: Solve for x
    x = 113,616,890,865.78/296,718.06
  6. Step 6: Final answer
    x = 382,911.95

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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.