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Finding the Fourth Proportional to 475,251.42, 655,846.83 and 260,399.64

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Solution

The fourth proportional to 475,251.42, 655,846.83 and 260,399.64 is: 359,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,251.42 : 655,846.83 = 260,399.64 : x
  2. Step 2: Convert to fraction form
    475,251.42/655,846.83 = 260,399.64/x
  3. Step 3: Cross multiply
    475,251.42x = 655,846.83 × 260,399.64
  4. Step 4: Simplify right side
    475,251.42x = 170,782,278,427.14
  5. Step 5: Solve for x
    x = 170,782,278,427.14/475,251.42
  6. Step 6: Final answer
    x = 359,351.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.