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Finding the Fourth Proportional to 512,236.17, 767,732.15 and 362,520.21

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Solution

The fourth proportional to 512,236.17, 767,732.15 and 362,520.21 is: 543,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,236.17 : 767,732.15 = 362,520.21 : x
  2. Step 2: Convert to fraction form
    512,236.17/767,732.15 = 362,520.21/x
  3. Step 3: Cross multiply
    512,236.17x = 767,732.15 × 362,520.21
  4. Step 4: Simplify right side
    512,236.17x = 278,318,418,429.15
  5. Step 5: Solve for x
    x = 278,318,418,429.15/512,236.17
  6. Step 6: Final answer
    x = 543,340.03

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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.