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Finding the Fourth Proportional to 567,620.44, 850,467.16 and 342,507.88

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Solution

The fourth proportional to 567,620.44, 850,467.16 and 342,507.88 is: 513,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,620.44 : 850,467.16 = 342,507.88 : x
  2. Step 2: Convert to fraction form
    567,620.44/850,467.16 = 342,507.88/x
  3. Step 3: Cross multiply
    567,620.44x = 850,467.16 × 342,507.88
  4. Step 4: Simplify right side
    567,620.44x = 291,291,703,981.22
  5. Step 5: Solve for x
    x = 291,291,703,981.22/567,620.44
  6. Step 6: Final answer
    x = 513,180.43

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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.