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Finding the Fourth Proportional to 363,633.77, 545,071.48 and 203,474.90

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Solution

The fourth proportional to 363,633.77, 545,071.48 and 203,474.90 is: 305,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,633.77 : 545,071.48 = 203,474.90 : x
  2. Step 2: Convert to fraction form
    363,633.77/545,071.48 = 203,474.90/x
  3. Step 3: Cross multiply
    363,633.77x = 545,071.48 × 203,474.90
  4. Step 4: Simplify right side
    363,633.77x = 110,908,365,739.84
  5. Step 5: Solve for x
    x = 110,908,365,739.84/363,633.77
  6. Step 6: Final answer
    x = 305,000.18

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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.