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Finding the Fourth Proportional to 331,949,400.30, 465,409,404.90 and 331,949,400.30

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Solution

The fourth proportional to 331,949,400.30, 465,409,404.90 and 331,949,400.30 is: 465,409,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,949,400.30 : 465,409,404.90 = 331,949,400.30 : x
  2. Step 2: Convert to fraction form
    331,949,400.30/465,409,404.90 = 331,949,400.30/x
  3. Step 3: Cross multiply
    331,949,400.30x = 465,409,404.90 × 331,949,400.30
  4. Step 4: Simplify right side
    331,949,400.30x = 154,492,372,850,534,880
  5. Step 5: Solve for x
    x = 154,492,372,850,534,880/331,949,400.30
  6. Step 6: Final answer
    x = 465,409,404.90

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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.