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Finding the Fourth Proportional to 392,037.63, 541,202.04 and 262,928.90

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Solution

The fourth proportional to 392,037.63, 541,202.04 and 262,928.90 is: 362,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,037.63 : 541,202.04 = 262,928.90 : x
  2. Step 2: Convert to fraction form
    392,037.63/541,202.04 = 262,928.90/x
  3. Step 3: Cross multiply
    392,037.63x = 541,202.04 × 262,928.90
  4. Step 4: Simplify right side
    392,037.63x = 142,297,654,348.95
  5. Step 5: Solve for x
    x = 142,297,654,348.95/392,037.63
  6. Step 6: Final answer
    x = 362,969.38

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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.