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Finding the Fourth Proportional to 451,954.71, 676,532.30 and 265,330.71

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Solution

The fourth proportional to 451,954.71, 676,532.30 and 265,330.71 is: 397,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,954.71 : 676,532.30 = 265,330.71 : x
  2. Step 2: Convert to fraction form
    451,954.71/676,532.30 = 265,330.71/x
  3. Step 3: Cross multiply
    451,954.71x = 676,532.30 × 265,330.71
  4. Step 4: Simplify right side
    451,954.71x = 179,504,794,170.28
  5. Step 5: Solve for x
    x = 179,504,794,170.28/451,954.71
  6. Step 6: Final answer
    x = 397,174.30

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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.