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Finding the Fourth Proportional to 562,189.31, 843,296.26 and 225,388.58

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Solution

The fourth proportional to 562,189.31, 843,296.26 and 225,388.58 is: 338,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,189.31 : 843,296.26 = 225,388.58 : x
  2. Step 2: Convert to fraction form
    562,189.31/843,296.26 = 225,388.58/x
  3. Step 3: Cross multiply
    562,189.31x = 843,296.26 × 225,388.58
  4. Step 4: Simplify right side
    562,189.31x = 190,069,342,344.23
  5. Step 5: Solve for x
    x = 190,069,342,344.23/562,189.31
  6. Step 6: Final answer
    x = 338,087.79

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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.