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Finding the Fourth Proportional to 396,065.88, 546,605.48 and 217,252.44

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Solution

The fourth proportional to 396,065.88, 546,605.48 and 217,252.44 is: 299,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,065.88 : 546,605.48 = 217,252.44 : x
  2. Step 2: Convert to fraction form
    396,065.88/546,605.48 = 217,252.44/x
  3. Step 3: Cross multiply
    396,065.88x = 546,605.48 × 217,252.44
  4. Step 4: Simplify right side
    396,065.88x = 118,751,374,247.37
  5. Step 5: Solve for x
    x = 118,751,374,247.37/396,065.88
  6. Step 6: Final answer
    x = 299,827.33

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1.5x scale

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.