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Finding the Fourth Proportional to 562,271.20, 843,795.60 and 404,612.80

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Solution

The fourth proportional to 562,271.20, 843,795.60 and 404,612.80 is: 607,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,271.20 : 843,795.60 = 404,612.80 : x
  2. Step 2: Convert to fraction form
    562,271.20/843,795.60 = 404,612.80/x
  3. Step 3: Cross multiply
    562,271.20x = 843,795.60 × 404,612.80
  4. Step 4: Simplify right side
    562,271.20x = 341,410,500,343.68
  5. Step 5: Solve for x
    x = 341,410,500,343.68/562,271.20
  6. Step 6: Final answer
    x = 607,198.98

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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.