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Finding the Fourth Proportional to 476,791.64, 658,555.27 and 356,467.76

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Solution

The fourth proportional to 476,791.64, 658,555.27 and 356,467.76 is: 492,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,791.64 : 658,555.27 = 356,467.76 : x
  2. Step 2: Convert to fraction form
    476,791.64/658,555.27 = 356,467.76/x
  3. Step 3: Cross multiply
    476,791.64x = 658,555.27 × 356,467.76
  4. Step 4: Simplify right side
    476,791.64x = 234,753,717,749.15
  5. Step 5: Solve for x
    x = 234,753,717,749.15/476,791.64
  6. Step 6: Final answer
    x = 492,361.23

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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.