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Finding the Fourth Proportional to 350,599.80, 525,899.70 and 331,246.20

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Solution

The fourth proportional to 350,599.80, 525,899.70 and 331,246.20 is: 496,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,599.80 : 525,899.70 = 331,246.20 : x
  2. Step 2: Convert to fraction form
    350,599.80/525,899.70 = 331,246.20/x
  3. Step 3: Cross multiply
    350,599.80x = 525,899.70 × 331,246.20
  4. Step 4: Simplify right side
    350,599.80x = 174,202,277,206.14
  5. Step 5: Solve for x
    x = 174,202,277,206.14/350,599.80
  6. Step 6: Final answer
    x = 496,869.30

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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.