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Finding the Fourth Proportional to 339,447.89, 468,436.14 and 186,482.79

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Solution

The fourth proportional to 339,447.89, 468,436.14 and 186,482.79 is: 257,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,447.89 : 468,436.14 = 186,482.79 : x
  2. Step 2: Convert to fraction form
    339,447.89/468,436.14 = 186,482.79/x
  3. Step 3: Cross multiply
    339,447.89x = 468,436.14 × 186,482.79
  4. Step 4: Simplify right side
    339,447.89x = 87,355,278,324.03
  5. Step 5: Solve for x
    x = 87,355,278,324.03/339,447.89
  6. Step 6: Final answer
    x = 257,345.18

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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.