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Finding the Fourth Proportional to 339,832.10, 468,980.31 and 186,881.94

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Solution

The fourth proportional to 339,832.10, 468,980.31 and 186,881.94 is: 257,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,832.10 : 468,980.31 = 186,881.94 : x
  2. Step 2: Convert to fraction form
    339,832.10/468,980.31 = 186,881.94/x
  3. Step 3: Cross multiply
    339,832.10x = 468,980.31 × 186,881.94
  4. Step 4: Simplify right side
    339,832.10x = 87,643,950,154.60
  5. Step 5: Solve for x
    x = 87,643,950,154.60/339,832.10
  6. Step 6: Final answer
    x = 257,903.68

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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.