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Finding the Fourth Proportional to 281,880,662.40, 395,036,035.20 and 281,880,662.40

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Solution

The fourth proportional to 281,880,662.40, 395,036,035.20 and 281,880,662.40 is: 395,036,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,880,662.40 : 395,036,035.20 = 281,880,662.40 : x
  2. Step 2: Convert to fraction form
    281,880,662.40/395,036,035.20 = 281,880,662.40/x
  3. Step 3: Cross multiply
    281,880,662.40x = 395,036,035.20 × 281,880,662.40
  4. Step 4: Simplify right side
    281,880,662.40x = 111,353,019,274,045,696
  5. Step 5: Solve for x
    x = 111,353,019,274,045,696/281,880,662.40
  6. Step 6: Final answer
    x = 395,036,035.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.