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Finding the Fourth Proportional to 590,055.22, 814,268.73 and 335,389.78

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Solution

The fourth proportional to 590,055.22, 814,268.73 and 335,389.78 is: 462,833.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,055.22 : 814,268.73 = 335,389.78 : x
  2. Step 2: Convert to fraction form
    590,055.22/814,268.73 = 335,389.78/x
  3. Step 3: Cross multiply
    590,055.22x = 814,268.73 × 335,389.78
  4. Step 4: Simplify right side
    590,055.22x = 273,097,410,215.58
  5. Step 5: Solve for x
    x = 273,097,410,215.58/590,055.22
  6. Step 6: Final answer
    x = 462,833.65

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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.