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Finding the Fourth Proportional to 540,004.55, 810,515.30 and 273,956.00

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Solution

The fourth proportional to 540,004.55, 810,515.30 and 273,956.00 is: 411,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,004.55 : 810,515.30 = 273,956.00 : x
  2. Step 2: Convert to fraction form
    540,004.55/810,515.30 = 273,956.00/x
  3. Step 3: Cross multiply
    540,004.55x = 810,515.30 × 273,956.00
  4. Step 4: Simplify right side
    540,004.55x = 222,045,524,104.44
  5. Step 5: Solve for x
    x = 222,045,524,104.44/540,004.55
  6. Step 6: Final answer
    x = 411,191.95

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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.