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Finding the Fourth Proportional to 363,530.70, 545,296.05 and 251,556.30

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Solution

The fourth proportional to 363,530.70, 545,296.05 and 251,556.30 is: 377,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,530.70 : 545,296.05 = 251,556.30 : x
  2. Step 2: Convert to fraction form
    363,530.70/545,296.05 = 251,556.30/x
  3. Step 3: Cross multiply
    363,530.70x = 545,296.05 × 251,556.30
  4. Step 4: Simplify right side
    363,530.70x = 137,172,656,742.62
  5. Step 5: Solve for x
    x = 137,172,656,742.62/363,530.70
  6. Step 6: Final answer
    x = 377,334.45

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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.