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Finding the Fourth Proportional to 562,161.20, 843,630.60 and 404,502.80

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Solution

The fourth proportional to 562,161.20, 843,630.60 and 404,502.80 is: 607,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,161.20 : 843,630.60 = 404,502.80 : x
  2. Step 2: Convert to fraction form
    562,161.20/843,630.60 = 404,502.80/x
  3. Step 3: Cross multiply
    562,161.20x = 843,630.60 × 404,502.80
  4. Step 4: Simplify right side
    562,161.20x = 341,250,939,865.68
  5. Step 5: Solve for x
    x = 341,250,939,865.68/562,161.20
  6. Step 6: Final answer
    x = 607,033.96

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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.