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Finding the Fourth Proportional to 363,850.72, 545,741.35 and 171,680.45

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Solution

The fourth proportional to 363,850.72, 545,741.35 and 171,680.45 is: 257,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,850.72 : 545,741.35 = 171,680.45 : x
  2. Step 2: Convert to fraction form
    363,850.72/545,741.35 = 171,680.45/x
  3. Step 3: Cross multiply
    363,850.72x = 545,741.35 × 171,680.45
  4. Step 4: Simplify right side
    363,850.72x = 93,693,117,393.70
  5. Step 5: Solve for x
    x = 93,693,117,393.70/363,850.72
  6. Step 6: Final answer
    x = 257,504.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.