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Finding the Fourth Proportional to 339,670.86, 468,753.66 and 186,716.94

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Solution

The fourth proportional to 339,670.86, 468,753.66 and 186,716.94 is: 257,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,670.86 : 468,753.66 = 186,716.94 : x
  2. Step 2: Convert to fraction form
    339,670.86/468,753.66 = 186,716.94/x
  3. Step 3: Cross multiply
    339,670.86x = 468,753.66 × 186,716.94
  4. Step 4: Simplify right side
    339,670.86x = 87,524,249,009.00
  5. Step 5: Solve for x
    x = 87,524,249,009.00/339,670.86
  6. Step 6: Final answer
    x = 257,673.71

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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.