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Finding the Fourth Proportional to 605,002.84, 906,505.80 and 351,571.96

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Solution

The fourth proportional to 605,002.84, 906,505.80 and 351,571.96 is: 526,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,002.84 : 906,505.80 = 351,571.96 : x
  2. Step 2: Convert to fraction form
    605,002.84/906,505.80 = 351,571.96/x
  3. Step 3: Cross multiply
    605,002.84x = 906,505.80 × 351,571.96
  4. Step 4: Simplify right side
    605,002.84x = 318,702,020,857.37
  5. Step 5: Solve for x
    x = 318,702,020,857.37/605,002.84
  6. Step 6: Final answer
    x = 526,777.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.