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Finding the Fourth Proportional to 396,767.48, 595,240.79 and 144,047.25

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Solution

The fourth proportional to 396,767.48, 595,240.79 and 144,047.25 is: 216,103.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,767.48 : 595,240.79 = 144,047.25 : x
  2. Step 2: Convert to fraction form
    396,767.48/595,240.79 = 144,047.25/x
  3. Step 3: Cross multiply
    396,767.48x = 595,240.79 × 144,047.25
  4. Step 4: Simplify right side
    396,767.48x = 85,742,798,167.09
  5. Step 5: Solve for x
    x = 85,742,798,167.09/396,767.48
  6. Step 6: Final answer
    x = 216,103.39

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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.