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Finding the Fourth Proportional to 396,370.99, 594,577.21 and 112,082.33

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Solution

The fourth proportional to 396,370.99, 594,577.21 and 112,082.33 is: 168,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,370.99 : 594,577.21 = 112,082.33 : x
  2. Step 2: Convert to fraction form
    396,370.99/594,577.21 = 112,082.33/x
  3. Step 3: Cross multiply
    396,370.99x = 594,577.21 × 112,082.33
  4. Step 4: Simplify right side
    396,370.99x = 66,641,596,088.81
  5. Step 5: Solve for x
    x = 66,641,596,088.81/396,370.99
  6. Step 6: Final answer
    x = 168,129.35

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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.