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Finding the Fourth Proportional to 446,992.75, 616,850 and 245,788.75

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Solution

The fourth proportional to 446,992.75, 616,850 and 245,788.75 is: 339,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,992.75 : 616,850 = 245,788.75 : x
  2. Step 2: Convert to fraction form
    446,992.75/616,850 = 245,788.75/x
  3. Step 3: Cross multiply
    446,992.75x = 616,850 × 245,788.75
  4. Step 4: Simplify right side
    446,992.75x = 151,614,790,437.50
  5. Step 5: Solve for x
    x = 151,614,790,437.50/446,992.75
  6. Step 6: Final answer
    x = 339,188.48

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1.5x scale

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.