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Finding the Fourth Proportional to 240,622.20, 360,155.70 and 187,745.40

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Solution

The fourth proportional to 240,622.20, 360,155.70 and 187,745.40 is: 281,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,622.20 : 360,155.70 = 187,745.40 : x
  2. Step 2: Convert to fraction form
    240,622.20/360,155.70 = 187,745.40/x
  3. Step 3: Cross multiply
    240,622.20x = 360,155.70 × 187,745.40
  4. Step 4: Simplify right side
    240,622.20x = 67,617,575,958.78
  5. Step 5: Solve for x
    x = 67,617,575,958.78/240,622.20
  6. Step 6: Final answer
    x = 281,011.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.