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Finding the Fourth Proportional to 567,621.26, 850,468.36 and 342,508.66

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Solution

The fourth proportional to 567,621.26, 850,468.36 and 342,508.66 is: 513,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,621.26 : 850,468.36 = 342,508.66 : x
  2. Step 2: Convert to fraction form
    567,621.26/850,468.36 = 342,508.66/x
  3. Step 3: Cross multiply
    567,621.26x = 850,468.36 × 342,508.66
  4. Step 4: Simplify right side
    567,621.26x = 291,292,778,356.00
  5. Step 5: Solve for x
    x = 291,292,778,356.00/567,621.26
  6. Step 6: Final answer
    x = 513,181.59

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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.