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Finding the Fourth Proportional to 605,091.71, 835,020.42 and 333,154.46

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Solution

The fourth proportional to 605,091.71, 835,020.42 and 333,154.46 is: 459,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,091.71 : 835,020.42 = 333,154.46 : x
  2. Step 2: Convert to fraction form
    605,091.71/835,020.42 = 333,154.46/x
  3. Step 3: Cross multiply
    605,091.71x = 835,020.42 × 333,154.46
  4. Step 4: Simplify right side
    605,091.71x = 278,190,777,114.07
  5. Step 5: Solve for x
    x = 278,190,777,114.07/605,091.71
  6. Step 6: Final answer
    x = 459,749.77

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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.