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Finding the Fourth Proportional to 471,791.36, 704,261.02 and 436,664.50

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Solution

The fourth proportional to 471,791.36, 704,261.02 and 436,664.50 is: 651,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,791.36 : 704,261.02 = 436,664.50 : x
  2. Step 2: Convert to fraction form
    471,791.36/704,261.02 = 436,664.50/x
  3. Step 3: Cross multiply
    471,791.36x = 704,261.02 × 436,664.50
  4. Step 4: Simplify right side
    471,791.36x = 307,525,786,167.79
  5. Step 5: Solve for x
    x = 307,525,786,167.79/471,791.36
  6. Step 6: Final answer
    x = 651,825.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.