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Finding the Fourth Proportional to 562,190.58, 843,278.41 and 135,724.11

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Solution

The fourth proportional to 562,190.58, 843,278.41 and 135,724.11 is: 203,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,190.58 : 843,278.41 = 135,724.11 : x
  2. Step 2: Convert to fraction form
    562,190.58/843,278.41 = 135,724.11/x
  3. Step 3: Cross multiply
    562,190.58x = 843,278.41 × 135,724.11
  4. Step 4: Simplify right side
    562,190.58x = 114,453,211,679.47
  5. Step 5: Solve for x
    x = 114,453,211,679.47/562,190.58
  6. Step 6: Final answer
    x = 203,584.36

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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.