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Finding the Fourth Proportional to 367,027.30, 550,540.95 and 311,040.10

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Solution

The fourth proportional to 367,027.30, 550,540.95 and 311,040.10 is: 466,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,027.30 : 550,540.95 = 311,040.10 : x
  2. Step 2: Convert to fraction form
    367,027.30/550,540.95 = 311,040.10/x
  3. Step 3: Cross multiply
    367,027.30x = 550,540.95 × 311,040.10
  4. Step 4: Simplify right side
    367,027.30x = 171,240,312,142.10
  5. Step 5: Solve for x
    x = 171,240,312,142.10/367,027.30
  6. Step 6: Final answer
    x = 466,560.15

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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.