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Finding the Fourth Proportional to 477,906.60, 659,505.90 and 263,042.04

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Solution

The fourth proportional to 477,906.60, 659,505.90 and 263,042.04 is: 362,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,906.60 : 659,505.90 = 263,042.04 : x
  2. Step 2: Convert to fraction form
    477,906.60/659,505.90 = 263,042.04/x
  3. Step 3: Cross multiply
    477,906.60x = 659,505.90 × 263,042.04
  4. Step 4: Simplify right side
    477,906.60x = 173,477,777,328.04
  5. Step 5: Solve for x
    x = 173,477,777,328.04/477,906.60
  6. Step 6: Final answer
    x = 362,995.15

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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.