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Finding the Fourth Proportional to 350,518.53, 525,777.53 and 84,278.96

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Solution

The fourth proportional to 350,518.53, 525,777.53 and 84,278.96 is: 126,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,518.53 : 525,777.53 = 84,278.96 : x
  2. Step 2: Convert to fraction form
    350,518.53/525,777.53 = 84,278.96/x
  3. Step 3: Cross multiply
    350,518.53x = 525,777.53 × 84,278.96
  4. Step 4: Simplify right side
    350,518.53x = 44,311,980,369.49
  5. Step 5: Solve for x
    x = 44,311,980,369.49/350,518.53
  6. Step 6: Final answer
    x = 126,418.37

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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.