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Finding the Fourth Proportional to 344,161.26, 474,955.86 and 235,493.40

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Solution

The fourth proportional to 344,161.26, 474,955.86 and 235,493.40 is: 324,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,161.26 : 474,955.86 = 235,493.40 : x
  2. Step 2: Convert to fraction form
    344,161.26/474,955.86 = 235,493.40/x
  3. Step 3: Cross multiply
    344,161.26x = 474,955.86 × 235,493.40
  4. Step 4: Simplify right side
    344,161.26x = 111,848,970,321.32
  5. Step 5: Solve for x
    x = 111,848,970,321.32/344,161.26
  6. Step 6: Final answer
    x = 324,990.01

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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.