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Finding the Fourth Proportional to 206,917,683.10, 310,376,524.65 and 183,627,007.90

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Solution

The fourth proportional to 206,917,683.10, 310,376,524.65 and 183,627,007.90 is: 275,440,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,917,683.10 : 310,376,524.65 = 183,627,007.90 : x
  2. Step 2: Convert to fraction form
    206,917,683.10/310,376,524.65 = 183,627,007.90/x
  3. Step 3: Cross multiply
    206,917,683.10x = 310,376,524.65 × 183,627,007.90
  4. Step 4: Simplify right side
    206,917,683.10x = 56,993,512,543,880,096
  5. Step 5: Solve for x
    x = 56,993,512,543,880,096/206,917,683.10
  6. Step 6: Final answer
    x = 275,440,511.85

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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.