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Finding the Fourth Proportional to 350,991.84, 526,499.28 and 101,676

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Solution

The fourth proportional to 350,991.84, 526,499.28 and 101,676 is: 152,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,991.84 : 526,499.28 = 101,676 : x
  2. Step 2: Convert to fraction form
    350,991.84/526,499.28 = 101,676/x
  3. Step 3: Cross multiply
    350,991.84x = 526,499.28 × 101,676
  4. Step 4: Simplify right side
    350,991.84x = 53,532,340,793.28
  5. Step 5: Solve for x
    x = 53,532,340,793.28/350,991.84
  6. Step 6: Final answer
    x = 152,517.34

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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.