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Finding the Fourth Proportional to 451,119.09, 622,544.31 and 247,177.74

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Solution

The fourth proportional to 451,119.09, 622,544.31 and 247,177.74 is: 341,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,119.09 : 622,544.31 = 247,177.74 : x
  2. Step 2: Convert to fraction form
    451,119.09/622,544.31 = 247,177.74/x
  3. Step 3: Cross multiply
    451,119.09x = 622,544.31 × 247,177.74
  4. Step 4: Simplify right side
    451,119.09x = 153,879,095,595.66
  5. Step 5: Solve for x
    x = 153,879,095,595.66/451,119.09
  6. Step 6: Final answer
    x = 341,105.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.