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Finding the Fourth Proportional to 3,224,857.56, 4,837,986.12 and 980,937.24

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Solution

The fourth proportional to 3,224,857.56, 4,837,986.12 and 980,937.24 is: 1,471,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224,857.56 : 4,837,986.12 = 980,937.24 : x
  2. Step 2: Convert to fraction form
    3,224,857.56/4,837,986.12 = 980,937.24/x
  3. Step 3: Cross multiply
    3,224,857.56x = 4,837,986.12 × 980,937.24
  4. Step 4: Simplify right side
    3,224,857.56x = 4,745,760,751,711.11
  5. Step 5: Solve for x
    x = 4,745,760,751,711.11/3,224,857.56
  6. Step 6: Final answer
    x = 1,471,618.72

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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.