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Finding the Fourth Proportional to 396,258.35, 594,412.25 and 111,970.68

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Solution

The fourth proportional to 396,258.35, 594,412.25 and 111,970.68 is: 167,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,258.35 : 594,412.25 = 111,970.68 : x
  2. Step 2: Convert to fraction form
    396,258.35/594,412.25 = 111,970.68/x
  3. Step 3: Cross multiply
    396,258.35x = 594,412.25 × 111,970.68
  4. Step 4: Simplify right side
    396,258.35x = 66,556,743,030.63
  5. Step 5: Solve for x
    x = 66,556,743,030.63/396,258.35
  6. Step 6: Final answer
    x = 167,963.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.