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Finding the Fourth Proportional to 512,232.30, 768,348.45 and 246,511.80

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Solution

The fourth proportional to 512,232.30, 768,348.45 and 246,511.80 is: 369,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,232.30 : 768,348.45 = 246,511.80 : x
  2. Step 2: Convert to fraction form
    512,232.30/768,348.45 = 246,511.80/x
  3. Step 3: Cross multiply
    512,232.30x = 768,348.45 × 246,511.80
  4. Step 4: Simplify right side
    512,232.30x = 189,406,959,436.71
  5. Step 5: Solve for x
    x = 189,406,959,436.71/512,232.30
  6. Step 6: Final answer
    x = 369,767.70

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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.