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Finding the Fourth Proportional to 474,859.32, 655,358.37 and 270,960.45

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Solution

The fourth proportional to 474,859.32, 655,358.37 and 270,960.45 is: 373,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,859.32 : 655,358.37 = 270,960.45 : x
  2. Step 2: Convert to fraction form
    474,859.32/655,358.37 = 270,960.45/x
  3. Step 3: Cross multiply
    474,859.32x = 655,358.37 × 270,960.45
  4. Step 4: Simplify right side
    474,859.32x = 177,576,198,846.47
  5. Step 5: Solve for x
    x = 177,576,198,846.47/474,859.32
  6. Step 6: Final answer
    x = 373,955.38

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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.