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Finding the Fourth Proportional to 477,603.30, 659,087.82 and 262,743.60

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Solution

The fourth proportional to 477,603.30, 659,087.82 and 262,743.60 is: 362,583.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,603.30 : 659,087.82 = 262,743.60 : x
  2. Step 2: Convert to fraction form
    477,603.30/659,087.82 = 262,743.60/x
  3. Step 3: Cross multiply
    477,603.30x = 659,087.82 × 262,743.60
  4. Step 4: Simplify right side
    477,603.30x = 173,171,106,542.95
  5. Step 5: Solve for x
    x = 173,171,106,542.95/477,603.30
  6. Step 6: Final answer
    x = 362,583.56

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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.