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Finding the Fourth Proportional to 299,379,660.30, 449,069,490.45 and 299,379,660.30

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Solution

The fourth proportional to 299,379,660.30, 449,069,490.45 and 299,379,660.30 is: 449,069,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,379,660.30 : 449,069,490.45 = 299,379,660.30 : x
  2. Step 2: Convert to fraction form
    299,379,660.30/449,069,490.45 = 299,379,660.30/x
  3. Step 3: Cross multiply
    299,379,660.30x = 449,069,490.45 × 299,379,660.30
  4. Step 4: Simplify right side
    299,379,660.30x = 134,442,271,502,015,088
  5. Step 5: Solve for x
    x = 134,442,271,502,015,088/299,379,660.30
  6. Step 6: Final answer
    x = 449,069,490.45

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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.