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Finding the Fourth Proportional to 477,393.89, 658,790.43 and 262,533.95

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Solution

The fourth proportional to 477,393.89, 658,790.43 and 262,533.95 is: 362,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,393.89 : 658,790.43 = 262,533.95 : x
  2. Step 2: Convert to fraction form
    477,393.89/658,790.43 = 262,533.95/x
  3. Step 3: Cross multiply
    477,393.89x = 658,790.43 × 262,533.95
  4. Step 4: Simplify right side
    477,393.89x = 172,954,853,738.93
  5. Step 5: Solve for x
    x = 172,954,853,738.93/477,393.89
  6. Step 6: Final answer
    x = 362,289.63

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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.