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Finding the Fourth Proportional to 322,607.17, 483,858.91 and 100,991.17

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Solution

The fourth proportional to 322,607.17, 483,858.91 and 100,991.17 is: 151,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,607.17 : 483,858.91 = 100,991.17 : x
  2. Step 2: Convert to fraction form
    322,607.17/483,858.91 = 100,991.17/x
  3. Step 3: Cross multiply
    322,607.17x = 483,858.91 × 100,991.17
  4. Step 4: Simplify right side
    322,607.17x = 48,865,477,435.82
  5. Step 5: Solve for x
    x = 48,865,477,435.82/322,607.17
  6. Step 6: Final answer
    x = 151,470.53

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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.