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Finding the Fourth Proportional to 373,955.88, 516,057.06 and 204,188.79

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Solution

The fourth proportional to 373,955.88, 516,057.06 and 204,188.79 is: 281,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,955.88 : 516,057.06 = 204,188.79 : x
  2. Step 2: Convert to fraction form
    373,955.88/516,057.06 = 204,188.79/x
  3. Step 3: Cross multiply
    373,955.88x = 516,057.06 × 204,188.79
  4. Step 4: Simplify right side
    373,955.88x = 105,373,066,652.36
  5. Step 5: Solve for x
    x = 105,373,066,652.36/373,955.88
  6. Step 6: Final answer
    x = 281,779.41

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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.