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Finding the Fourth Proportional to 455,956.63, 629,252.72 and 252,003.16

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Solution

The fourth proportional to 455,956.63, 629,252.72 and 252,003.16 is: 347,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,956.63 : 629,252.72 = 252,003.16 : x
  2. Step 2: Convert to fraction form
    455,956.63/629,252.72 = 252,003.16/x
  3. Step 3: Cross multiply
    455,956.63x = 629,252.72 × 252,003.16
  4. Step 4: Simplify right side
    455,956.63x = 158,573,673,878.60
  5. Step 5: Solve for x
    x = 158,573,673,878.60/455,956.63
  6. Step 6: Final answer
    x = 347,782.36

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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.