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Finding the Fourth Proportional to 613,236.48, 919,858.91 and 234,054.96

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Solution

The fourth proportional to 613,236.48, 919,858.91 and 234,054.96 is: 351,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,236.48 : 919,858.91 = 234,054.96 : x
  2. Step 2: Convert to fraction form
    613,236.48/919,858.91 = 234,054.96/x
  3. Step 3: Cross multiply
    613,236.48x = 919,858.91 × 234,054.96
  4. Step 4: Simplify right side
    613,236.48x = 215,297,539,215.42
  5. Step 5: Solve for x
    x = 215,297,539,215.42/613,236.48
  6. Step 6: Final answer
    x = 351,084.04

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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.