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Finding the Fourth Proportional to 446,773.05, 616,560.57 and 255,847.95

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Solution

The fourth proportional to 446,773.05, 616,560.57 and 255,847.95 is: 353,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,773.05 : 616,560.57 = 255,847.95 : x
  2. Step 2: Convert to fraction form
    446,773.05/616,560.57 = 255,847.95/x
  3. Step 3: Cross multiply
    446,773.05x = 616,560.57 × 255,847.95
  4. Step 4: Simplify right side
    446,773.05x = 157,745,757,885.33
  5. Step 5: Solve for x
    x = 157,745,757,885.33/446,773.05
  6. Step 6: Final answer
    x = 353,078.05

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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.