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Finding the Fourth Proportional to 2,531,976.40, 3,797,368.44 and 734,385.52

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Solution

The fourth proportional to 2,531,976.40, 3,797,368.44 and 734,385.52 is: 1,101,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531,976.40 : 3,797,368.44 = 734,385.52 : x
  2. Step 2: Convert to fraction form
    2,531,976.40/3,797,368.44 = 734,385.52/x
  3. Step 3: Cross multiply
    2,531,976.40x = 3,797,368.44 × 734,385.52
  4. Step 4: Simplify right side
    2,531,976.40x = 2,788,732,396,440.99
  5. Step 5: Solve for x
    x = 2,788,732,396,440.99/2,531,976.40
  6. Step 6: Final answer
    x = 1,101,405.37

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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.