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Finding the Fourth Proportional to 339,758.65, 468,867.24 and 186,799.45

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Solution

The fourth proportional to 339,758.65, 468,867.24 and 186,799.45 is: 257,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,758.65 : 468,867.24 = 186,799.45 : x
  2. Step 2: Convert to fraction form
    339,758.65/468,867.24 = 186,799.45/x
  3. Step 3: Cross multiply
    339,758.65x = 468,867.24 × 186,799.45
  4. Step 4: Simplify right side
    339,758.65x = 87,584,142,555.02
  5. Step 5: Solve for x
    x = 87,584,142,555.02/339,758.65
  6. Step 6: Final answer
    x = 257,783.41

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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.