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Finding the Fourth Proportional to 248,831,996.40, 373,247,994.60 and 248,831,996.40

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Solution

The fourth proportional to 248,831,996.40, 373,247,994.60 and 248,831,996.40 is: 373,247,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,831,996.40 : 373,247,994.60 = 248,831,996.40 : x
  2. Step 2: Convert to fraction form
    248,831,996.40/373,247,994.60 = 248,831,996.40/x
  3. Step 3: Cross multiply
    248,831,996.40x = 373,247,994.60 × 248,831,996.40
  4. Step 4: Simplify right side
    248,831,996.40x = 92,876,043,648,614,432
  5. Step 5: Solve for x
    x = 92,876,043,648,614,432/248,831,996.40
  6. Step 6: Final answer
    x = 373,247,994.60

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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.