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Finding the Fourth Proportional to 298,954,872.90, 448,432,309.35 and 222,427,368.90

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Solution

The fourth proportional to 298,954,872.90, 448,432,309.35 and 222,427,368.90 is: 333,641,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,954,872.90 : 448,432,309.35 = 222,427,368.90 : x
  2. Step 2: Convert to fraction form
    298,954,872.90/448,432,309.35 = 222,427,368.90/x
  3. Step 3: Cross multiply
    298,954,872.90x = 448,432,309.35 × 222,427,368.90
  4. Step 4: Simplify right side
    298,954,872.90x = 99,743,618,698,471,376
  5. Step 5: Solve for x
    x = 99,743,618,698,471,376/298,954,872.90
  6. Step 6: Final answer
    x = 333,641,053.35

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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.