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Finding the Fourth Proportional to 548,375.52, 822,257.62 and 169,188.60

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Solution

The fourth proportional to 548,375.52, 822,257.62 and 169,188.60 is: 253,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,375.52 : 822,257.62 = 169,188.60 : x
  2. Step 2: Convert to fraction form
    548,375.52/822,257.62 = 169,188.60/x
  3. Step 3: Cross multiply
    548,375.52x = 822,257.62 × 169,188.60
  4. Step 4: Simplify right side
    548,375.52x = 139,116,615,567.13
  5. Step 5: Solve for x
    x = 139,116,615,567.13/548,375.52
  6. Step 6: Final answer
    x = 253,688.60

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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.