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Finding the Fourth Proportional to 654,067.37, 902,687.79 and 363,707.89

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Solution

The fourth proportional to 654,067.37, 902,687.79 and 363,707.89 is: 501,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,067.37 : 902,687.79 = 363,707.89 : x
  2. Step 2: Convert to fraction form
    654,067.37/902,687.79 = 363,707.89/x
  3. Step 3: Cross multiply
    654,067.37x = 902,687.79 × 363,707.89
  4. Step 4: Simplify right side
    654,067.37x = 328,314,670,536.85
  5. Step 5: Solve for x
    x = 328,314,670,536.85/654,067.37
  6. Step 6: Final answer
    x = 501,958.49

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1.5x scale

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.