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Finding the Fourth Proportional to 274,683,477.70, 412,025,216.55 and 253,638,414.10

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Solution

The fourth proportional to 274,683,477.70, 412,025,216.55 and 253,638,414.10 is: 380,457,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,683,477.70 : 412,025,216.55 = 253,638,414.10 : x
  2. Step 2: Convert to fraction form
    274,683,477.70/412,025,216.55 = 253,638,414.10/x
  3. Step 3: Cross multiply
    274,683,477.70x = 412,025,216.55 × 253,638,414.10
  4. Step 4: Simplify right side
    274,683,477.70x = 104,505,422,494,951,072
  5. Step 5: Solve for x
    x = 104,505,422,494,951,072/274,683,477.70
  6. Step 6: Final answer
    x = 380,457,621.15

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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.