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Finding the Fourth Proportional to 350,544.80, 525,817.20 and 267,600.80

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Solution

The fourth proportional to 350,544.80, 525,817.20 and 267,600.80 is: 401,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,544.80 : 525,817.20 = 267,600.80 : x
  2. Step 2: Convert to fraction form
    350,544.80/525,817.20 = 267,600.80/x
  3. Step 3: Cross multiply
    350,544.80x = 525,817.20 × 267,600.80
  4. Step 4: Simplify right side
    350,544.80x = 140,709,103,373.76
  5. Step 5: Solve for x
    x = 140,709,103,373.76/350,544.80
  6. Step 6: Final answer
    x = 401,401.20

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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.