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Finding the Fourth Proportional to 455,833.44, 629,046.72 and 251,898.12

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Solution

The fourth proportional to 455,833.44, 629,046.72 and 251,898.12 is: 347,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,833.44 : 629,046.72 = 251,898.12 : x
  2. Step 2: Convert to fraction form
    455,833.44/629,046.72 = 251,898.12/x
  3. Step 3: Cross multiply
    455,833.44x = 629,046.72 × 251,898.12
  4. Step 4: Simplify right side
    455,833.44x = 158,455,686,160.17
  5. Step 5: Solve for x
    x = 158,455,686,160.17/455,833.44
  6. Step 6: Final answer
    x = 347,617.51

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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.