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Finding the Fourth Proportional to 562,229.82, 843,112.70 and 215,960.96

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Solution

The fourth proportional to 562,229.82, 843,112.70 and 215,960.96 is: 323,852.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,229.82 : 843,112.70 = 215,960.96 : x
  2. Step 2: Convert to fraction form
    562,229.82/843,112.70 = 215,960.96/x
  3. Step 3: Cross multiply
    562,229.82x = 843,112.70 × 215,960.96
  4. Step 4: Simplify right side
    562,229.82x = 182,079,428,080.19
  5. Step 5: Solve for x
    x = 182,079,428,080.19/562,229.82
  6. Step 6: Final answer
    x = 323,852.31

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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.