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Finding the Fourth Proportional to 3,953,572.96, 5,930,359.44 and 961,731.04

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Solution

The fourth proportional to 3,953,572.96, 5,930,359.44 and 961,731.04 is: 1,442,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,572.96 : 5,930,359.44 = 961,731.04 : x
  2. Step 2: Convert to fraction form
    3,953,572.96/5,930,359.44 = 961,731.04/x
  3. Step 3: Cross multiply
    3,953,572.96x = 5,930,359.44 × 961,731.04
  4. Step 4: Simplify right side
    3,953,572.96x = 5,703,410,751,805.02
  5. Step 5: Solve for x
    x = 5,703,410,751,805.02/3,953,572.96
  6. Step 6: Final answer
    x = 1,442,596.56

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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.