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Finding the Fourth Proportional to 437,202.20, 655,673.70 and 170,809.40

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Solution

The fourth proportional to 437,202.20, 655,673.70 and 170,809.40 is: 256,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,202.20 : 655,673.70 = 170,809.40 : x
  2. Step 2: Convert to fraction form
    437,202.20/655,673.70 = 170,809.40/x
  3. Step 3: Cross multiply
    437,202.20x = 655,673.70 × 170,809.40
  4. Step 4: Simplify right side
    437,202.20x = 111,995,231,292.78
  5. Step 5: Solve for x
    x = 111,995,231,292.78/437,202.20
  6. Step 6: Final answer
    x = 256,163.47

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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.