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Finding the Fourth Proportional to 622,245.60, 932,712.30 and 243,019.80

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Solution

The fourth proportional to 622,245.60, 932,712.30 and 243,019.80 is: 364,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,245.60 : 932,712.30 = 243,019.80 : x
  2. Step 2: Convert to fraction form
    622,245.60/932,712.30 = 243,019.80/x
  3. Step 3: Cross multiply
    622,245.60x = 932,712.30 × 243,019.80
  4. Step 4: Simplify right side
    622,245.60x = 226,667,556,603.54
  5. Step 5: Solve for x
    x = 226,667,556,603.54/622,245.60
  6. Step 6: Final answer
    x = 364,273.46

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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.