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Finding the Fourth Proportional to 324,534.15, 447,881.37 and 186,755.31

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Solution

The fourth proportional to 324,534.15, 447,881.37 and 186,755.31 is: 257,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,534.15 : 447,881.37 = 186,755.31 : x
  2. Step 2: Convert to fraction form
    324,534.15/447,881.37 = 186,755.31/x
  3. Step 3: Cross multiply
    324,534.15x = 447,881.37 × 186,755.31
  4. Step 4: Simplify right side
    324,534.15x = 83,644,224,097.57
  5. Step 5: Solve for x
    x = 83,644,224,097.57/324,534.15
  6. Step 6: Final answer
    x = 257,736.28

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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.