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Finding the Fourth Proportional to 589,558.53, 813,546.02 and 331,394.42

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Solution

The fourth proportional to 589,558.53, 813,546.02 and 331,394.42 is: 457,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,558.53 : 813,546.02 = 331,394.42 : x
  2. Step 2: Convert to fraction form
    589,558.53/813,546.02 = 331,394.42/x
  3. Step 3: Cross multiply
    589,558.53x = 813,546.02 × 331,394.42
  4. Step 4: Simplify right side
    589,558.53x = 269,604,605,716.51
  5. Step 5: Solve for x
    x = 269,604,605,716.51/589,558.53
  6. Step 6: Final answer
    x = 457,299.13

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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.