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Finding the Fourth Proportional to 598,516.60, 825,839.76 and 356,821.48

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Solution

The fourth proportional to 598,516.60, 825,839.76 and 356,821.48 is: 492,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,516.60 : 825,839.76 = 356,821.48 : x
  2. Step 2: Convert to fraction form
    598,516.60/825,839.76 = 356,821.48/x
  3. Step 3: Cross multiply
    598,516.60x = 825,839.76 × 356,821.48
  4. Step 4: Simplify right side
    598,516.60x = 294,677,365,406.05
  5. Step 5: Solve for x
    x = 294,677,365,406.05/598,516.60
  6. Step 6: Final answer
    x = 492,346.19

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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.