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Finding the Fourth Proportional to 482,852,800.60, 724,373,679.30 and 206,503,480.60

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Solution

The fourth proportional to 482,852,800.60, 724,373,679.30 and 206,503,480.60 is: 309,795,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,852,800.60 : 724,373,679.30 = 206,503,480.60 : x
  2. Step 2: Convert to fraction form
    482,852,800.60/724,373,679.30 = 206,503,480.60/x
  3. Step 3: Cross multiply
    482,852,800.60x = 724,373,679.30 × 206,503,480.60
  4. Step 4: Simplify right side
    482,852,800.60x = 149,585,686,030,478,144
  5. Step 5: Solve for x
    x = 149,585,686,030,478,144/482,852,800.60
  6. Step 6: Final answer
    x = 309,795,626.83

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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.