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Finding the Fourth Proportional to 605,719.60, 835,881.78 and 333,812.68

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Solution

The fourth proportional to 605,719.60, 835,881.78 and 333,812.68 is: 460,655.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,719.60 : 835,881.78 = 333,812.68 : x
  2. Step 2: Convert to fraction form
    605,719.60/835,881.78 = 333,812.68/x
  3. Step 3: Cross multiply
    605,719.60x = 835,881.78 × 333,812.68
  4. Step 4: Simplify right side
    605,719.60x = 279,027,937,144.97
  5. Step 5: Solve for x
    x = 279,027,937,144.97/605,719.60
  6. Step 6: Final answer
    x = 460,655.29

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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.