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Finding the Fourth Proportional to 577,273,410.76, 796,696,682.79 and 351,228,442.01

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Solution

The fourth proportional to 577,273,410.76, 796,696,682.79 and 351,228,442.01 is: 484,731,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,273,410.76 : 796,696,682.79 = 351,228,442.01 : x
  2. Step 2: Convert to fraction form
    577,273,410.76/796,696,682.79 = 351,228,442.01/x
  3. Step 3: Cross multiply
    577,273,410.76x = 796,696,682.79 × 351,228,442.01
  4. Step 4: Simplify right side
    577,273,410.76x = 279,822,534,653,979,968
  5. Step 5: Solve for x
    x = 279,822,534,653,979,968/577,273,410.76
  6. Step 6: Final answer
    x = 484,731,375.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.