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Finding the Fourth Proportional to 455,953.51, 629,248.41 and 252,000.04

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Solution

The fourth proportional to 455,953.51, 629,248.41 and 252,000.04 is: 347,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,953.51 : 629,248.41 = 252,000.04 : x
  2. Step 2: Convert to fraction form
    455,953.51/629,248.41 = 252,000.04/x
  3. Step 3: Cross multiply
    455,953.51x = 629,248.41 × 252,000.04
  4. Step 4: Simplify right side
    455,953.51x = 158,570,621,086.59
  5. Step 5: Solve for x
    x = 158,570,621,086.59/455,953.51
  6. Step 6: Final answer
    x = 347,778.05

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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.