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Finding the Fourth Proportional to 339,605.77, 468,667.20 and 186,649.38

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Solution

The fourth proportional to 339,605.77, 468,667.20 and 186,649.38 is: 257,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,605.77 : 468,667.20 = 186,649.38 : x
  2. Step 2: Convert to fraction form
    339,605.77/468,667.20 = 186,649.38/x
  3. Step 3: Cross multiply
    339,605.77x = 468,667.20 × 186,649.38
  4. Step 4: Simplify right side
    339,605.77x = 87,476,442,306.34
  5. Step 5: Solve for x
    x = 87,476,442,306.34/339,605.77
  6. Step 6: Final answer
    x = 257,582.32

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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.