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Finding the Fourth Proportional to 298,954,848.40, 448,432,272.60 and 222,427,344.40

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Solution

The fourth proportional to 298,954,848.40, 448,432,272.60 and 222,427,344.40 is: 333,641,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,954,848.40 : 448,432,272.60 = 222,427,344.40 : x
  2. Step 2: Convert to fraction form
    298,954,848.40/448,432,272.60 = 222,427,344.40/x
  3. Step 3: Cross multiply
    298,954,848.40x = 448,432,272.60 × 222,427,344.40
  4. Step 4: Simplify right side
    298,954,848.40x = 99,743,599,537,674,896
  5. Step 5: Solve for x
    x = 99,743,599,537,674,896/298,954,848.40
  6. Step 6: Final answer
    x = 333,641,016.60

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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.