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Finding the Fourth Proportional to 455,960.63, 629,258.25 and 252,007.17

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Solution

The fourth proportional to 455,960.63, 629,258.25 and 252,007.17 is: 347,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,960.63 : 629,258.25 = 252,007.17 : x
  2. Step 2: Convert to fraction form
    455,960.63/629,258.25 = 252,007.17/x
  3. Step 3: Cross multiply
    455,960.63x = 629,258.25 × 252,007.17
  4. Step 4: Simplify right side
    455,960.63x = 158,577,590,781.65
  5. Step 5: Solve for x
    x = 158,577,590,781.65/455,960.63
  6. Step 6: Final answer
    x = 347,787.90

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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.