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Finding the Fourth Proportional to 483,073.67, 666,788.76 and 301,670.12

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Solution

The fourth proportional to 483,073.67, 666,788.76 and 301,670.12 is: 416,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,073.67 : 666,788.76 = 301,670.12 : x
  2. Step 2: Convert to fraction form
    483,073.67/666,788.76 = 301,670.12/x
  3. Step 3: Cross multiply
    483,073.67x = 666,788.76 × 301,670.12
  4. Step 4: Simplify right side
    483,073.67x = 201,150,246,910.82
  5. Step 5: Solve for x
    x = 201,150,246,910.82/483,073.67
  6. Step 6: Final answer
    x = 416,396.63

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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.