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Finding the Fourth Proportional to 477,800.60, 659,364.94 and 262,940.66

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Solution

The fourth proportional to 477,800.60, 659,364.94 and 262,940.66 is: 362,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,800.60 : 659,364.94 = 262,940.66 : x
  2. Step 2: Convert to fraction form
    477,800.60/659,364.94 = 262,940.66/x
  3. Step 3: Cross multiply
    477,800.60x = 659,364.94 × 262,940.66
  4. Step 4: Simplify right side
    477,800.60x = 173,373,852,504.46
  5. Step 5: Solve for x
    x = 173,373,852,504.46/477,800.60
  6. Step 6: Final answer
    x = 362,858.17

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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.