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Finding the Fourth Proportional to 562,661.20, 843,859.32 and 163,196.56

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Solution

The fourth proportional to 562,661.20, 843,859.32 and 163,196.56 is: 244,756.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,661.20 : 843,859.32 = 163,196.56 : x
  2. Step 2: Convert to fraction form
    562,661.20/843,859.32 = 163,196.56/x
  3. Step 3: Cross multiply
    562,661.20x = 843,859.32 × 163,196.56
  4. Step 4: Simplify right side
    562,661.20x = 137,714,938,147.94
  5. Step 5: Solve for x
    x = 137,714,938,147.94/562,661.20
  6. Step 6: Final answer
    x = 244,756.41

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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.