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Finding the Fourth Proportional to 270,218.60, 372,994.98 and 185,615.72

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Solution

The fourth proportional to 270,218.60, 372,994.98 and 185,615.72 is: 256,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,218.60 : 372,994.98 = 185,615.72 : x
  2. Step 2: Convert to fraction form
    270,218.60/372,994.98 = 185,615.72/x
  3. Step 3: Cross multiply
    270,218.60x = 372,994.98 × 185,615.72
  4. Step 4: Simplify right side
    270,218.60x = 69,233,731,769.09
  5. Step 5: Solve for x
    x = 69,233,731,769.09/270,218.60
  6. Step 6: Final answer
    x = 256,213.79

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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.