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Finding the Fourth Proportional to 683,163.60, 1,024,745.40 and 606,399.90

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Solution

The fourth proportional to 683,163.60, 1,024,745.40 and 606,399.90 is: 909,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,163.60 : 1,024,745.40 = 606,399.90 : x
  2. Step 2: Convert to fraction form
    683,163.60/1,024,745.40 = 606,399.90/x
  3. Step 3: Cross multiply
    683,163.60x = 1,024,745.40 × 606,399.90
  4. Step 4: Simplify right side
    683,163.60x = 621,405,508,085.46
  5. Step 5: Solve for x
    x = 621,405,508,085.46/683,163.60
  6. Step 6: Final answer
    x = 909,599.85

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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.