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Finding the Fourth Proportional to 477,896.83, 659,497.79 and 263,035.36

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Solution

The fourth proportional to 477,896.83, 659,497.79 and 263,035.36 is: 362,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,896.83 : 659,497.79 = 263,035.36 : x
  2. Step 2: Convert to fraction form
    477,896.83/659,497.79 = 263,035.36/x
  3. Step 3: Cross multiply
    477,896.83x = 659,497.79 × 263,035.36
  4. Step 4: Simplify right side
    477,896.83x = 173,471,238,611.85
  5. Step 5: Solve for x
    x = 173,471,238,611.85/477,896.83
  6. Step 6: Final answer
    x = 362,988.89

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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.