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Finding the Fourth Proportional to 387,659.44, 534,891.63 and 226,483.37

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Solution

The fourth proportional to 387,659.44, 534,891.63 and 226,483.37 is: 312,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,659.44 : 534,891.63 = 226,483.37 : x
  2. Step 2: Convert to fraction form
    387,659.44/534,891.63 = 226,483.37/x
  3. Step 3: Cross multiply
    387,659.44x = 534,891.63 × 226,483.37
  4. Step 4: Simplify right side
    387,659.44x = 121,144,055,712.56
  5. Step 5: Solve for x
    x = 121,144,055,712.56/387,659.44
  6. Step 6: Final answer
    x = 312,501.24

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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.