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Finding the Fourth Proportional to 299,335,890.15, 449,003,835.23 and 299,335,890.15

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Solution

The fourth proportional to 299,335,890.15, 449,003,835.23 and 299,335,890.15 is: 449,003,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,335,890.15 : 449,003,835.23 = 299,335,890.15 : x
  2. Step 2: Convert to fraction form
    299,335,890.15/449,003,835.23 = 299,335,890.15/x
  3. Step 3: Cross multiply
    299,335,890.15x = 449,003,835.23 × 299,335,890.15
  4. Step 4: Simplify right side
    299,335,890.15x = 134,402,962,697,839,296
  5. Step 5: Solve for x
    x = 134,402,962,697,839,296/299,335,890.15
  6. Step 6: Final answer
    x = 449,003,835.23

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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.