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Finding the Fourth Proportional to 562,297.20, 843,834.60 and 404,638.80

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Solution

The fourth proportional to 562,297.20, 843,834.60 and 404,638.80 is: 607,237.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,297.20 : 843,834.60 = 404,638.80 : x
  2. Step 2: Convert to fraction form
    562,297.20/843,834.60 = 404,638.80/x
  3. Step 3: Cross multiply
    562,297.20x = 843,834.60 × 404,638.80
  4. Step 4: Simplify right side
    562,297.20x = 341,448,219,942.48
  5. Step 5: Solve for x
    x = 341,448,219,942.48/562,297.20
  6. Step 6: Final answer
    x = 607,237.99

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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.