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Finding the Fourth Proportional to 373,955.76, 516,058.92 and 204,190.02

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Solution

The fourth proportional to 373,955.76, 516,058.92 and 204,190.02 is: 281,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,955.76 : 516,058.92 = 204,190.02 : x
  2. Step 2: Convert to fraction form
    373,955.76/516,058.92 = 204,190.02/x
  3. Step 3: Cross multiply
    373,955.76x = 516,058.92 × 204,190.02
  4. Step 4: Simplify right side
    373,955.76x = 105,374,081,195.98
  5. Step 5: Solve for x
    x = 105,374,081,195.98/373,955.76
  6. Step 6: Final answer
    x = 281,782.21

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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.