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Finding the Fourth Proportional to 350,992.75, 526,554.75 and 140,647.09

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Solution

The fourth proportional to 350,992.75, 526,554.75 and 140,647.09 is: 210,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,992.75 : 526,554.75 = 140,647.09 : x
  2. Step 2: Convert to fraction form
    350,992.75/526,554.75 = 140,647.09/x
  3. Step 3: Cross multiply
    350,992.75x = 526,554.75 × 140,647.09
  4. Step 4: Simplify right side
    350,992.75x = 74,058,393,313.18
  5. Step 5: Solve for x
    x = 74,058,393,313.18/350,992.75
  6. Step 6: Final answer
    x = 210,996.93

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1.5x scale

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.