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Finding the Fourth Proportional to 350,699.82, 526,153.61 and 148,315.75

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Solution

The fourth proportional to 350,699.82, 526,153.61 and 148,315.75 is: 222,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,699.82 : 526,153.61 = 148,315.75 : x
  2. Step 2: Convert to fraction form
    350,699.82/526,153.61 = 148,315.75/x
  3. Step 3: Cross multiply
    350,699.82x = 526,153.61 × 148,315.75
  4. Step 4: Simplify right side
    350,699.82x = 78,036,867,282.36
  5. Step 5: Solve for x
    x = 78,036,867,282.36/350,699.82
  6. Step 6: Final answer
    x = 222,517.56

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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.