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Finding the Fourth Proportional to 531,414.68, 796,285.42 and 331,435.40

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Solution

The fourth proportional to 531,414.68, 796,285.42 and 331,435.40 is: 496,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,414.68 : 796,285.42 = 331,435.40 : x
  2. Step 2: Convert to fraction form
    531,414.68/796,285.42 = 331,435.40/x
  3. Step 3: Cross multiply
    531,414.68x = 796,285.42 × 331,435.40
  4. Step 4: Simplify right side
    531,414.68x = 263,917,171,881.85
  5. Step 5: Solve for x
    x = 263,917,171,881.85/531,414.68
  6. Step 6: Final answer
    x = 496,631.32

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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.