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Finding the Fourth Proportional to 363,635.52, 545,074.10 and 203,476.64

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Solution

The fourth proportional to 363,635.52, 545,074.10 and 203,476.64 is: 305,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,635.52 : 545,074.10 = 203,476.64 : x
  2. Step 2: Convert to fraction form
    363,635.52/545,074.10 = 203,476.64/x
  3. Step 3: Cross multiply
    363,635.52x = 545,074.10 × 203,476.64
  4. Step 4: Simplify right side
    363,635.52x = 110,909,846,419.02
  5. Step 5: Solve for x
    x = 110,909,846,419.02/363,635.52
  6. Step 6: Final answer
    x = 305,002.79

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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.