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Finding the Fourth Proportional to 258,797.60, 385,525.48 and 250,965.92

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Solution

The fourth proportional to 258,797.60, 385,525.48 and 250,965.92 is: 373,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,797.60 : 385,525.48 = 250,965.92 : x
  2. Step 2: Convert to fraction form
    258,797.60/385,525.48 = 250,965.92/x
  3. Step 3: Cross multiply
    258,797.60x = 385,525.48 × 250,965.92
  4. Step 4: Simplify right side
    258,797.60x = 96,753,756,771.64
  5. Step 5: Solve for x
    x = 96,753,756,771.64/258,797.60
  6. Step 6: Final answer
    x = 373,858.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.