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Finding the Fourth Proportional to 350,594.31, 483,739.83 and 221,377.47

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Solution

The fourth proportional to 350,594.31, 483,739.83 and 221,377.47 is: 305,450.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,594.31 : 483,739.83 = 221,377.47 : x
  2. Step 2: Convert to fraction form
    350,594.31/483,739.83 = 221,377.47/x
  3. Step 3: Cross multiply
    350,594.31x = 483,739.83 × 221,377.47
  4. Step 4: Simplify right side
    350,594.31x = 107,089,099,703.63
  5. Step 5: Solve for x
    x = 107,089,099,703.63/350,594.31
  6. Step 6: Final answer
    x = 305,450.19

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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.