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Finding the Fourth Proportional to 476,076.15, 713,375.91 and 275,900.04

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Solution

The fourth proportional to 476,076.15, 713,375.91 and 275,900.04 is: 413,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,076.15 : 713,375.91 = 275,900.04 : x
  2. Step 2: Convert to fraction form
    476,076.15/713,375.91 = 275,900.04/x
  3. Step 3: Cross multiply
    476,076.15x = 713,375.91 × 275,900.04
  4. Step 4: Simplify right side
    476,076.15x = 196,820,442,104.04
  5. Step 5: Solve for x
    x = 196,820,442,104.04/476,076.15
  6. Step 6: Final answer
    x = 413,422.18

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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.