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Finding the Fourth Proportional to 605,808.20, 836,015.28 and 333,876.08

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Solution

The fourth proportional to 605,808.20, 836,015.28 and 333,876.08 is: 460,748.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,808.20 : 836,015.28 = 333,876.08 : x
  2. Step 2: Convert to fraction form
    605,808.20/836,015.28 = 333,876.08/x
  3. Step 3: Cross multiply
    605,808.20x = 836,015.28 × 333,876.08
  4. Step 4: Simplify right side
    605,808.20x = 279,125,504,506.50
  5. Step 5: Solve for x
    x = 279,125,504,506.50/605,808.20
  6. Step 6: Final answer
    x = 460,748.97

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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.