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Finding the Fourth Proportional to 371,232.96, 511,914.24 and 220,300.80

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Solution

The fourth proportional to 371,232.96, 511,914.24 and 220,300.80 is: 303,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,232.96 : 511,914.24 = 220,300.80 : x
  2. Step 2: Convert to fraction form
    371,232.96/511,914.24 = 220,300.80/x
  3. Step 3: Cross multiply
    371,232.96x = 511,914.24 × 220,300.80
  4. Step 4: Simplify right side
    371,232.96x = 112,775,116,603.39
  5. Step 5: Solve for x
    x = 112,775,116,603.39/371,232.96
  6. Step 6: Final answer
    x = 303,785.30

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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.