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Finding the Fourth Proportional to 340,369.82, 510,317.91 and 150,727.19

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Solution

The fourth proportional to 340,369.82, 510,317.91 and 150,727.19 is: 225,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,369.82 : 510,317.91 = 150,727.19 : x
  2. Step 2: Convert to fraction form
    340,369.82/510,317.91 = 150,727.19/x
  3. Step 3: Cross multiply
    340,369.82x = 510,317.91 × 150,727.19
  4. Step 4: Simplify right side
    340,369.82x = 76,918,782,653.15
  5. Step 5: Solve for x
    x = 76,918,782,653.15/340,369.82
  6. Step 6: Final answer
    x = 225,985.91

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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.