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Finding the Fourth Proportional to 483,712.86, 667,494.99 and 268,845.51

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Solution

The fourth proportional to 483,712.86, 667,494.99 and 268,845.51 is: 370,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,712.86 : 667,494.99 = 268,845.51 : x
  2. Step 2: Convert to fraction form
    483,712.86/667,494.99 = 268,845.51/x
  3. Step 3: Cross multiply
    483,712.86x = 667,494.99 × 268,845.51
  4. Step 4: Simplify right side
    483,712.86x = 179,453,031,009.00
  5. Step 5: Solve for x
    x = 179,453,031,009.00/483,712.86
  6. Step 6: Final answer
    x = 370,990.82

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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.