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Finding the Fourth Proportional to 350,679.99, 526,042.12 and 148,238.34

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Solution

The fourth proportional to 350,679.99, 526,042.12 and 148,238.34 is: 222,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,679.99 : 526,042.12 = 148,238.34 : x
  2. Step 2: Convert to fraction form
    350,679.99/526,042.12 = 148,238.34/x
  3. Step 3: Cross multiply
    350,679.99x = 526,042.12 × 148,238.34
  4. Step 4: Simplify right side
    350,679.99x = 77,979,611,102.13
  5. Step 5: Solve for x
    x = 77,979,611,102.13/350,679.99
  6. Step 6: Final answer
    x = 222,366.87

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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.