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Finding the Fourth Proportional to 367,999.60, 551,999.40 and 341,427.55

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Solution

The fourth proportional to 367,999.60, 551,999.40 and 341,427.55 is: 512,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,999.60 : 551,999.40 = 341,427.55 : x
  2. Step 2: Convert to fraction form
    367,999.60/551,999.40 = 341,427.55/x
  3. Step 3: Cross multiply
    367,999.60x = 551,999.40 × 341,427.55
  4. Step 4: Simplify right side
    367,999.60x = 188,467,802,743.47
  5. Step 5: Solve for x
    x = 188,467,802,743.47/367,999.60
  6. Step 6: Final answer
    x = 512,141.33

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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.