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Finding the Fourth Proportional to 2,900,337.03, 4,350,806.87 and 1,383,764.31

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Solution

The fourth proportional to 2,900,337.03, 4,350,806.87 and 1,383,764.31 is: 2,075,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,337.03 : 4,350,806.87 = 1,383,764.31 : x
  2. Step 2: Convert to fraction form
    2,900,337.03/4,350,806.87 = 1,383,764.31/x
  3. Step 3: Cross multiply
    2,900,337.03x = 4,350,806.87 × 1,383,764.31
  4. Step 4: Simplify right side
    2,900,337.03x = 6,020,491,259,489.99
  5. Step 5: Solve for x
    x = 6,020,491,259,489.99/2,900,337.03
  6. Step 6: Final answer
    x = 2,075,790.23

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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.