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Finding the Fourth Proportional to 455,958.16, 629,254.83 and 252,004.70

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Solution

The fourth proportional to 455,958.16, 629,254.83 and 252,004.70 is: 347,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,958.16 : 629,254.83 = 252,004.70 : x
  2. Step 2: Convert to fraction form
    455,958.16/629,254.83 = 252,004.70/x
  3. Step 3: Cross multiply
    455,958.16x = 629,254.83 × 252,004.70
  4. Step 4: Simplify right side
    455,958.16x = 158,575,173,397.68
  5. Step 5: Solve for x
    x = 158,575,173,397.68/455,958.16
  6. Step 6: Final answer
    x = 347,784.48

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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.