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Finding the Fourth Proportional to 331,877,892.80, 496,860,245.40 and 331,877,892.80

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Solution

The fourth proportional to 331,877,892.80, 496,860,245.40 and 331,877,892.80 is: 496,860,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,877,892.80 : 496,860,245.40 = 331,877,892.80 : x
  2. Step 2: Convert to fraction form
    331,877,892.80/496,860,245.40 = 331,877,892.80/x
  3. Step 3: Cross multiply
    331,877,892.80x = 496,860,245.40 × 331,877,892.80
  4. Step 4: Simplify right side
    331,877,892.80x = 164,896,931,259,442,880
  5. Step 5: Solve for x
    x = 164,896,931,259,442,880/331,877,892.80
  6. Step 6: Final answer
    x = 496,860,245.40

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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.