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Finding the Fourth Proportional to 512,348.10, 768,522.15 and 246,044.40

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Solution

The fourth proportional to 512,348.10, 768,522.15 and 246,044.40 is: 369,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,348.10 : 768,522.15 = 246,044.40 : x
  2. Step 2: Convert to fraction form
    512,348.10/768,522.15 = 246,044.40/x
  3. Step 3: Cross multiply
    512,348.10x = 768,522.15 × 246,044.40
  4. Step 4: Simplify right side
    512,348.10x = 189,090,571,283.46
  5. Step 5: Solve for x
    x = 189,090,571,283.46/512,348.10
  6. Step 6: Final answer
    x = 369,066.60

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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.