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Finding the Fourth Proportional to 1,848,422.40, 2,768,486.40 and 1,806,950.40

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Solution

The fourth proportional to 1,848,422.40, 2,768,486.40 and 1,806,950.40 is: 2,706,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,422.40 : 2,768,486.40 = 1,806,950.40 : x
  2. Step 2: Convert to fraction form
    1,848,422.40/2,768,486.40 = 1,806,950.40/x
  3. Step 3: Cross multiply
    1,848,422.40x = 2,768,486.40 × 1,806,950.40
  4. Step 4: Simplify right side
    1,848,422.40x = 5,002,517,607,874.56
  5. Step 5: Solve for x
    x = 5,002,517,607,874.56/1,848,422.40
  6. Step 6: Final answer
    x = 2,706,371.45

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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.