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Finding the Fourth Proportional to 603,346.61, 905,019.14 and 154,067.26

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Solution

The fourth proportional to 603,346.61, 905,019.14 and 154,067.26 is: 231,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,346.61 : 905,019.14 = 154,067.26 : x
  2. Step 2: Convert to fraction form
    603,346.61/905,019.14 = 154,067.26/x
  3. Step 3: Cross multiply
    603,346.61x = 905,019.14 × 154,067.26
  4. Step 4: Simplify right side
    603,346.61x = 139,433,816,114.47
  5. Step 5: Solve for x
    x = 139,433,816,114.47/603,346.61
  6. Step 6: Final answer
    x = 231,100.69

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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.