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Finding the Fourth Proportional to 591,518, 816,236.34 and 362,139.96

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Solution

The fourth proportional to 591,518, 816,236.34 and 362,139.96 is: 499,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,518 : 816,236.34 = 362,139.96 : x
  2. Step 2: Convert to fraction form
    591,518/816,236.34 = 362,139.96/x
  3. Step 3: Cross multiply
    591,518x = 816,236.34 × 362,139.96
  4. Step 4: Simplify right side
    591,518x = 295,591,795,518.15
  5. Step 5: Solve for x
    x = 295,591,795,518.15/591,518
  6. Step 6: Final answer
    x = 499,717.33

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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.