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Finding the Fourth Proportional to 437,292.56, 655,520.52 and 170,964.56

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Solution

The fourth proportional to 437,292.56, 655,520.52 and 170,964.56 is: 256,283.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,292.56 : 655,520.52 = 170,964.56 : x
  2. Step 2: Convert to fraction form
    437,292.56/655,520.52 = 170,964.56/x
  3. Step 3: Cross multiply
    437,292.56x = 655,520.52 × 170,964.56
  4. Step 4: Simplify right side
    437,292.56x = 112,070,777,272.77
  5. Step 5: Solve for x
    x = 112,070,777,272.77/437,292.56
  6. Step 6: Final answer
    x = 256,283.29

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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.