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Finding the Fourth Proportional to 477,455.94, 658,910.06 and 262,603.85

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Solution

The fourth proportional to 477,455.94, 658,910.06 and 262,603.85 is: 362,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,455.94 : 658,910.06 = 262,603.85 : x
  2. Step 2: Convert to fraction form
    477,455.94/658,910.06 = 262,603.85/x
  3. Step 3: Cross multiply
    477,455.94x = 658,910.06 × 262,603.85
  4. Step 4: Simplify right side
    477,455.94x = 173,032,314,936.93
  5. Step 5: Solve for x
    x = 173,032,314,936.93/477,455.94
  6. Step 6: Final answer
    x = 362,404.78

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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.