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Finding the Fourth Proportional to 437,201.20, 655,672.20 and 170,808.40

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Solution

The fourth proportional to 437,201.20, 655,672.20 and 170,808.40 is: 256,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,201.20 : 655,672.20 = 170,808.40 : x
  2. Step 2: Convert to fraction form
    437,201.20/655,672.20 = 170,808.40/x
  3. Step 3: Cross multiply
    437,201.20x = 655,672.20 × 170,808.40
  4. Step 4: Simplify right side
    437,201.20x = 111,994,319,406.48
  5. Step 5: Solve for x
    x = 111,994,319,406.48/437,201.20
  6. Step 6: Final answer
    x = 256,161.97

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1.5x scale

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.