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Finding the Fourth Proportional to 536,361.48, 804,874.46 and 311,827.59

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Solution

The fourth proportional to 536,361.48, 804,874.46 and 311,827.59 is: 467,934.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,361.48 : 804,874.46 = 311,827.59 : x
  2. Step 2: Convert to fraction form
    536,361.48/804,874.46 = 311,827.59/x
  3. Step 3: Cross multiply
    536,361.48x = 804,874.46 × 311,827.59
  4. Step 4: Simplify right side
    536,361.48x = 250,982,061,555.21
  5. Step 5: Solve for x
    x = 250,982,061,555.21/536,361.48
  6. Step 6: Final answer
    x = 467,934.54

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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.