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Finding the Fourth Proportional to 483,813.09, 667,679.21 and 266,038.35

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Solution

The fourth proportional to 483,813.09, 667,679.21 and 266,038.35 is: 367,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,813.09 : 667,679.21 = 266,038.35 : x
  2. Step 2: Convert to fraction form
    483,813.09/667,679.21 = 266,038.35/x
  3. Step 3: Cross multiply
    483,813.09x = 667,679.21 × 266,038.35
  4. Step 4: Simplify right side
    483,813.09x = 177,628,274,027.51
  5. Step 5: Solve for x
    x = 177,628,274,027.51/483,813.09
  6. Step 6: Final answer
    x = 367,142.35

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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.