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Finding the Fourth Proportional to 426,544.89, 588,361.59 and 324,346.30

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Solution

The fourth proportional to 426,544.89, 588,361.59 and 324,346.30 is: 447,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,544.89 : 588,361.59 = 324,346.30 : x
  2. Step 2: Convert to fraction form
    426,544.89/588,361.59 = 324,346.30/x
  3. Step 3: Cross multiply
    426,544.89x = 588,361.59 × 324,346.30
  4. Step 4: Simplify right side
    426,544.89x = 190,832,904,778.62
  5. Step 5: Solve for x
    x = 190,832,904,778.62/426,544.89
  6. Step 6: Final answer
    x = 447,392.31

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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.