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Finding the Fourth Proportional to 362,093.20, 542,556.60 and 302,606.80

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Solution

The fourth proportional to 362,093.20, 542,556.60 and 302,606.80 is: 453,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,093.20 : 542,556.60 = 302,606.80 : x
  2. Step 2: Convert to fraction form
    362,093.20/542,556.60 = 302,606.80/x
  3. Step 3: Cross multiply
    362,093.20x = 542,556.60 × 302,606.80
  4. Step 4: Simplify right side
    362,093.20x = 164,181,316,544.88
  5. Step 5: Solve for x
    x = 164,181,316,544.88/362,093.20
  6. Step 6: Final answer
    x = 453,422.81

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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.