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Finding the Fourth Proportional to 512,537.10, 768,805.65 and 246,233.40

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Solution

The fourth proportional to 512,537.10, 768,805.65 and 246,233.40 is: 369,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,537.10 : 768,805.65 = 246,233.40 : x
  2. Step 2: Convert to fraction form
    512,537.10/768,805.65 = 246,233.40/x
  3. Step 3: Cross multiply
    512,537.10x = 768,805.65 × 246,233.40
  4. Step 4: Simplify right side
    512,537.10x = 189,305,629,138.71
  5. Step 5: Solve for x
    x = 189,305,629,138.71/512,537.10
  6. Step 6: Final answer
    x = 369,350.10

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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.