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Finding the Fourth Proportional to 396,782.55, 595,170.65 and 235,792.32

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Solution

The fourth proportional to 396,782.55, 595,170.65 and 235,792.32 is: 353,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,782.55 : 595,170.65 = 235,792.32 : x
  2. Step 2: Convert to fraction form
    396,782.55/595,170.65 = 235,792.32/x
  3. Step 3: Cross multiply
    396,782.55x = 595,170.65 × 235,792.32
  4. Step 4: Simplify right side
    396,782.55x = 140,336,668,359.41
  5. Step 5: Solve for x
    x = 140,336,668,359.41/396,782.55
  6. Step 6: Final answer
    x = 353,686.59

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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.