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Finding the Fourth Proportional to 477,604.30, 659,089.20 and 262,744.60

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Solution

The fourth proportional to 477,604.30, 659,089.20 and 262,744.60 is: 362,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,604.30 : 659,089.20 = 262,744.60 : x
  2. Step 2: Convert to fraction form
    477,604.30/659,089.20 = 262,744.60/x
  3. Step 3: Cross multiply
    477,604.30x = 659,089.20 × 262,744.60
  4. Step 4: Simplify right side
    477,604.30x = 173,172,128,218.32
  5. Step 5: Solve for x
    x = 173,172,128,218.32/477,604.30
  6. Step 6: Final answer
    x = 362,584.94

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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.