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Finding the Fourth Proportional to 437,124.40, 655,492.20 and 200,539.60

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Solution

The fourth proportional to 437,124.40, 655,492.20 and 200,539.60 is: 300,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,124.40 : 655,492.20 = 200,539.60 : x
  2. Step 2: Convert to fraction form
    437,124.40/655,492.20 = 200,539.60/x
  3. Step 3: Cross multiply
    437,124.40x = 655,492.20 × 200,539.60
  4. Step 4: Simplify right side
    437,124.40x = 131,452,143,591.12
  5. Step 5: Solve for x
    x = 131,452,143,591.12/437,124.40
  6. Step 6: Final answer
    x = 300,720.22

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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.