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Finding the Fourth Proportional to 331,373.52, 457,025.16 and 203,820.24

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Solution

The fourth proportional to 331,373.52, 457,025.16 and 203,820.24 is: 281,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,373.52 : 457,025.16 = 203,820.24 : x
  2. Step 2: Convert to fraction form
    331,373.52/457,025.16 = 203,820.24/x
  3. Step 3: Cross multiply
    331,373.52x = 457,025.16 × 203,820.24
  4. Step 4: Simplify right side
    331,373.52x = 93,150,977,797.24
  5. Step 5: Solve for x
    x = 93,150,977,797.24/331,373.52
  6. Step 6: Final answer
    x = 281,105.68

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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.