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Finding the Fourth Proportional to 605,745.60, 908,661.60 and 185,020.80

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Solution

The fourth proportional to 605,745.60, 908,661.60 and 185,020.80 is: 277,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,745.60 : 908,661.60 = 185,020.80 : x
  2. Step 2: Convert to fraction form
    605,745.60/908,661.60 = 185,020.80/x
  3. Step 3: Cross multiply
    605,745.60x = 908,661.60 × 185,020.80
  4. Step 4: Simplify right side
    605,745.60x = 168,121,296,161.28
  5. Step 5: Solve for x
    x = 168,121,296,161.28/605,745.60
  6. Step 6: Final answer
    x = 277,544.40

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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.