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Finding the Fourth Proportional to 416,652.36, 574,821.72 and 308,017.56

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Solution

The fourth proportional to 416,652.36, 574,821.72 and 308,017.56 is: 424,947.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,652.36 : 574,821.72 = 308,017.56 : x
  2. Step 2: Convert to fraction form
    416,652.36/574,821.72 = 308,017.56/x
  3. Step 3: Cross multiply
    416,652.36x = 574,821.72 × 308,017.56
  4. Step 4: Simplify right side
    416,652.36x = 177,055,183,629.40
  5. Step 5: Solve for x
    x = 177,055,183,629.40/416,652.36
  6. Step 6: Final answer
    x = 424,947.03

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Why These Related Problems?

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