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Finding the Fourth Proportional to 507,696.36, 700,596.87 and 303,859.56

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Solution

The fourth proportional to 507,696.36, 700,596.87 and 303,859.56 is: 419,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,696.36 : 700,596.87 = 303,859.56 : x
  2. Step 2: Convert to fraction form
    507,696.36/700,596.87 = 303,859.56/x
  3. Step 3: Cross multiply
    507,696.36x = 700,596.87 × 303,859.56
  4. Step 4: Simplify right side
    507,696.36x = 212,883,056,655.58
  5. Step 5: Solve for x
    x = 212,883,056,655.58/507,696.36
  6. Step 6: Final answer
    x = 419,311.76

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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.