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Finding the Fourth Proportional to 350,997.76, 526,562.26 and 140,652.10

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Solution

The fourth proportional to 350,997.76, 526,562.26 and 140,652.10 is: 211,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,997.76 : 526,562.26 = 140,652.10 : x
  2. Step 2: Convert to fraction form
    350,997.76/526,562.26 = 140,652.10/x
  3. Step 3: Cross multiply
    350,997.76x = 526,562.26 × 140,652.10
  4. Step 4: Simplify right side
    350,997.76x = 74,062,087,649.75
  5. Step 5: Solve for x
    x = 74,062,087,649.75/350,997.76
  6. Step 6: Final answer
    x = 211,004.45

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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.