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Finding the Fourth Proportional to 654,996.97, 903,889.43 and 364,603.93

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Solution

The fourth proportional to 654,996.97, 903,889.43 and 364,603.93 is: 503,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,996.97 : 903,889.43 = 364,603.93 : x
  2. Step 2: Convert to fraction form
    654,996.97/903,889.43 = 364,603.93/x
  3. Step 3: Cross multiply
    654,996.97x = 903,889.43 × 364,603.93
  4. Step 4: Simplify right side
    654,996.97x = 329,561,633,944.01
  5. Step 5: Solve for x
    x = 329,561,633,944.01/654,996.97
  6. Step 6: Final answer
    x = 503,149.86

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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.