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Finding the Fourth Proportional to 543,614.56, 815,692.74 and 244,309.12

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Solution

The fourth proportional to 543,614.56, 815,692.74 and 244,309.12 is: 366,585.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,614.56 : 815,692.74 = 244,309.12 : x
  2. Step 2: Convert to fraction form
    543,614.56/815,692.74 = 244,309.12/x
  3. Step 3: Cross multiply
    543,614.56x = 815,692.74 × 244,309.12
  4. Step 4: Simplify right side
    543,614.56x = 199,281,172,544.40
  5. Step 5: Solve for x
    x = 199,281,172,544.40/543,614.56
  6. Step 6: Final answer
    x = 366,585.42

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1.5x scale

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.