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Finding the Fourth Proportional to 437,290.56, 655,517.52 and 170,962.56

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Solution

The fourth proportional to 437,290.56, 655,517.52 and 170,962.56 is: 256,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,290.56 : 655,517.52 = 170,962.56 : x
  2. Step 2: Convert to fraction form
    437,290.56/655,517.52 = 170,962.56/x
  3. Step 3: Cross multiply
    437,290.56x = 655,517.52 × 170,962.56
  4. Step 4: Simplify right side
    437,290.56x = 112,068,953,344.05
  5. Step 5: Solve for x
    x = 112,068,953,344.05/437,290.56
  6. Step 6: Final answer
    x = 256,280.29

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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.