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Finding the Fourth Proportional to 447,773.94, 617,893.92 and 254,158.83

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Solution

The fourth proportional to 447,773.94, 617,893.92 and 254,158.83 is: 350,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,773.94 : 617,893.92 = 254,158.83 : x
  2. Step 2: Convert to fraction form
    447,773.94/617,893.92 = 254,158.83/x
  3. Step 3: Cross multiply
    447,773.94x = 617,893.92 × 254,158.83
  4. Step 4: Simplify right side
    447,773.94x = 157,043,195,771.31
  5. Step 5: Solve for x
    x = 157,043,195,771.31/447,773.94
  6. Step 6: Final answer
    x = 350,719.82

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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.