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Finding the Fourth Proportional to 306,048.90, 458,625.15 and 274,458.90

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Solution

The fourth proportional to 306,048.90, 458,625.15 and 274,458.90 is: 411,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,048.90 : 458,625.15 = 274,458.90 : x
  2. Step 2: Convert to fraction form
    306,048.90/458,625.15 = 274,458.90/x
  3. Step 3: Cross multiply
    306,048.90x = 458,625.15 × 274,458.90
  4. Step 4: Simplify right side
    306,048.90x = 125,873,754,181.34
  5. Step 5: Solve for x
    x = 125,873,754,181.34/306,048.90
  6. Step 6: Final answer
    x = 411,286.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.