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Finding the Fourth Proportional to 350,967.67, 526,517.11 and 140,622.01

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Solution

The fourth proportional to 350,967.67, 526,517.11 and 140,622.01 is: 210,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,967.67 : 526,517.11 = 140,622.01 : x
  2. Step 2: Convert to fraction form
    350,967.67/526,517.11 = 140,622.01/x
  3. Step 3: Cross multiply
    350,967.67x = 526,517.11 × 140,622.01
  4. Step 4: Simplify right side
    350,967.67x = 74,039,893,167.08
  5. Step 5: Solve for x
    x = 74,039,893,167.08/350,967.67
  6. Step 6: Final answer
    x = 210,959.30

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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.