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Finding the Fourth Proportional to 339,610.86, 468,673.52 and 186,646.26

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Solution

The fourth proportional to 339,610.86, 468,673.52 and 186,646.26 is: 257,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,610.86 : 468,673.52 = 186,646.26 : x
  2. Step 2: Convert to fraction form
    339,610.86/468,673.52 = 186,646.26/x
  3. Step 3: Cross multiply
    339,610.86x = 468,673.52 × 186,646.26
  4. Step 4: Simplify right side
    339,610.86x = 87,476,159,669.04
  5. Step 5: Solve for x
    x = 87,476,159,669.04/339,610.86
  6. Step 6: Final answer
    x = 257,577.63

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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.