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Finding the Fourth Proportional to 562,269.20, 843,792.60 and 404,610.80

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Solution

The fourth proportional to 562,269.20, 843,792.60 and 404,610.80 is: 607,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,269.20 : 843,792.60 = 404,610.80 : x
  2. Step 2: Convert to fraction form
    562,269.20/843,792.60 = 404,610.80/x
  3. Step 3: Cross multiply
    562,269.20x = 843,792.60 × 404,610.80
  4. Step 4: Simplify right side
    562,269.20x = 341,407,598,920.08
  5. Step 5: Solve for x
    x = 341,407,598,920.08/562,269.20
  6. Step 6: Final answer
    x = 607,195.98

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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.