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Finding the Fourth Proportional to 477,800.48, 659,364.76 and 262,940.55

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Solution

The fourth proportional to 477,800.48, 659,364.76 and 262,940.55 is: 362,858.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,800.48 : 659,364.76 = 262,940.55 : x
  2. Step 2: Convert to fraction form
    477,800.48/659,364.76 = 262,940.55/x
  3. Step 3: Cross multiply
    477,800.48x = 659,364.76 × 262,940.55
  4. Step 4: Simplify right side
    477,800.48x = 173,373,728,033.49
  5. Step 5: Solve for x
    x = 173,373,728,033.49/477,800.48
  6. Step 6: Final answer
    x = 362,858.00

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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.