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Finding the Fourth Proportional to 367,410.99, 550,603.08 and 198,567.30

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Solution

The fourth proportional to 367,410.99, 550,603.08 and 198,567.30 is: 297,573.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,410.99 : 550,603.08 = 198,567.30 : x
  2. Step 2: Convert to fraction form
    367,410.99/550,603.08 = 198,567.30/x
  3. Step 3: Cross multiply
    367,410.99x = 550,603.08 × 198,567.30
  4. Step 4: Simplify right side
    367,410.99x = 109,331,766,967.28
  5. Step 5: Solve for x
    x = 109,331,766,967.28/367,410.99
  6. Step 6: Final answer
    x = 297,573.48

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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.