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Finding the Fourth Proportional to 339,810.59, 468,950.65 and 186,860.39

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Solution

The fourth proportional to 339,810.59, 468,950.65 and 186,860.39 is: 257,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,810.59 : 468,950.65 = 186,860.39 : x
  2. Step 2: Convert to fraction form
    339,810.59/468,950.65 = 186,860.39/x
  3. Step 3: Cross multiply
    339,810.59x = 468,950.65 × 186,860.39
  4. Step 4: Simplify right side
    339,810.59x = 87,628,298,537.85
  5. Step 5: Solve for x
    x = 87,628,298,537.85/339,810.59
  6. Step 6: Final answer
    x = 257,873.95

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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.