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Finding the Fourth Proportional to 367,218.80, 550,050.60 and 327,820.40

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Solution

The fourth proportional to 367,218.80, 550,050.60 and 327,820.40 is: 491,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,218.80 : 550,050.60 = 327,820.40 : x
  2. Step 2: Convert to fraction form
    367,218.80/550,050.60 = 327,820.40/x
  3. Step 3: Cross multiply
    367,218.80x = 550,050.60 × 327,820.40
  4. Step 4: Simplify right side
    367,218.80x = 180,317,807,712.24
  5. Step 5: Solve for x
    x = 180,317,807,712.24/367,218.80
  6. Step 6: Final answer
    x = 491,036.43

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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.