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Finding the Fourth Proportional to 654,894.24, 903,745.04 and 368,414.24

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Solution

The fourth proportional to 654,894.24, 903,745.04 and 368,414.24 is: 508,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,894.24 : 903,745.04 = 368,414.24 : x
  2. Step 2: Convert to fraction form
    654,894.24/903,745.04 = 368,414.24/x
  3. Step 3: Cross multiply
    654,894.24x = 903,745.04 × 368,414.24
  4. Step 4: Simplify right side
    654,894.24x = 332,952,542,065.37
  5. Step 5: Solve for x
    x = 332,952,542,065.37/654,894.24
  6. Step 6: Final answer
    x = 508,406.58

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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.