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Finding the Fourth Proportional to 339,841.54, 468,993.12 and 186,886

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Solution

The fourth proportional to 339,841.54, 468,993.12 and 186,886 is: 257,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,841.54 : 468,993.12 = 186,886 : x
  2. Step 2: Convert to fraction form
    339,841.54/468,993.12 = 186,886/x
  3. Step 3: Cross multiply
    339,841.54x = 468,993.12 × 186,886
  4. Step 4: Simplify right side
    339,841.54x = 87,648,248,224.32
  5. Step 5: Solve for x
    x = 87,648,248,224.32/339,841.54
  6. Step 6: Final answer
    x = 257,909.17

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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.