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Finding the Fourth Proportional to 339,346.08, 468,303.22 and 186,398.42

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Solution

The fourth proportional to 339,346.08, 468,303.22 and 186,398.42 is: 257,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,346.08 : 468,303.22 = 186,398.42 : x
  2. Step 2: Convert to fraction form
    339,346.08/468,303.22 = 186,398.42/x
  3. Step 3: Cross multiply
    339,346.08x = 468,303.22 × 186,398.42
  4. Step 4: Simplify right side
    339,346.08x = 87,290,978,180.39
  5. Step 5: Solve for x
    x = 87,290,978,180.39/339,346.08
  6. Step 6: Final answer
    x = 257,232.90

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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.