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Finding the Fourth Proportional to 456,161,604.73, 629,515,409.78 and 257,952,753.07

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Solution

The fourth proportional to 456,161,604.73, 629,515,409.78 and 257,952,753.07 is: 355,981,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,161,604.73 : 629,515,409.78 = 257,952,753.07 : x
  2. Step 2: Convert to fraction form
    456,161,604.73/629,515,409.78 = 257,952,753.07/x
  3. Step 3: Cross multiply
    456,161,604.73x = 629,515,409.78 × 257,952,753.07
  4. Step 4: Simplify right side
    456,161,604.73x = 162,385,233,052,740,192
  5. Step 5: Solve for x
    x = 162,385,233,052,740,192/456,161,604.73
  6. Step 6: Final answer
    x = 355,981,808.57

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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.