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Finding the Fourth Proportional to 391,736.92, 537,076.28 and 384,651.04

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Solution

The fourth proportional to 391,736.92, 537,076.28 and 384,651.04 is: 527,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,736.92 : 537,076.28 = 384,651.04 : x
  2. Step 2: Convert to fraction form
    391,736.92/537,076.28 = 384,651.04/x
  3. Step 3: Cross multiply
    391,736.92x = 537,076.28 × 384,651.04
  4. Step 4: Simplify right side
    391,736.92x = 206,586,949,661.33
  5. Step 5: Solve for x
    x = 206,586,949,661.33/391,736.92
  6. Step 6: Final answer
    x = 527,361.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.