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Finding the Fourth Proportional to 396,675.15, 546,498.16 and 274,050.06

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Solution

The fourth proportional to 396,675.15, 546,498.16 and 274,050.06 is: 377,557.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,675.15 : 546,498.16 = 274,050.06 : x
  2. Step 2: Convert to fraction form
    396,675.15/546,498.16 = 274,050.06/x
  3. Step 3: Cross multiply
    396,675.15x = 546,498.16 × 274,050.06
  4. Step 4: Simplify right side
    396,675.15x = 149,767,850,805.40
  5. Step 5: Solve for x
    x = 149,767,850,805.40/396,675.15
  6. Step 6: Final answer
    x = 377,557.94

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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.