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Finding the Fourth Proportional to 605,890.45, 836,134.68 and 333,969

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Solution

The fourth proportional to 605,890.45, 836,134.68 and 333,969 is: 460,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,890.45 : 836,134.68 = 333,969 : x
  2. Step 2: Convert to fraction form
    605,890.45/836,134.68 = 333,969/x
  3. Step 3: Cross multiply
    605,890.45x = 836,134.68 × 333,969
  4. Step 4: Simplify right side
    605,890.45x = 279,243,062,944.92
  5. Step 5: Solve for x
    x = 279,243,062,944.92/605,890.45
  6. Step 6: Final answer
    x = 460,880.45

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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.