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Finding the Fourth Proportional to 673,708.98, 929,704.50 and 367,791.42

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Solution

The fourth proportional to 673,708.98, 929,704.50 and 367,791.42 is: 507,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,708.98 : 929,704.50 = 367,791.42 : x
  2. Step 2: Convert to fraction form
    673,708.98/929,704.50 = 367,791.42/x
  3. Step 3: Cross multiply
    673,708.98x = 929,704.50 × 367,791.42
  4. Step 4: Simplify right side
    673,708.98x = 341,937,338,235.39
  5. Step 5: Solve for x
    x = 341,937,338,235.39/673,708.98
  6. Step 6: Final answer
    x = 507,544.58

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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.