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Finding the Fourth Proportional to 331,706.10, 457,754.55 and 188,466.33

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Solution

The fourth proportional to 331,706.10, 457,754.55 and 188,466.33 is: 260,083.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,706.10 : 457,754.55 = 188,466.33 : x
  2. Step 2: Convert to fraction form
    331,706.10/457,754.55 = 188,466.33/x
  3. Step 3: Cross multiply
    331,706.10x = 457,754.55 × 188,466.33
  4. Step 4: Simplify right side
    331,706.10x = 86,271,320,079.30
  5. Step 5: Solve for x
    x = 86,271,320,079.30/331,706.10
  6. Step 6: Final answer
    x = 260,083.61

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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.