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Finding the Fourth Proportional to 455,963.77, 629,210.46 and 252,004.15

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Solution

The fourth proportional to 455,963.77, 629,210.46 and 252,004.15 is: 347,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,963.77 : 629,210.46 = 252,004.15 : x
  2. Step 2: Convert to fraction form
    455,963.77/629,210.46 = 252,004.15/x
  3. Step 3: Cross multiply
    455,963.77x = 629,210.46 × 252,004.15
  4. Step 4: Simplify right side
    455,963.77x = 158,563,647,143.41
  5. Step 5: Solve for x
    x = 158,563,647,143.41/455,963.77
  6. Step 6: Final answer
    x = 347,754.93

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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.