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Finding the Fourth Proportional to 463,405.20, 696,144.60 and 444,512.40

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Solution

The fourth proportional to 463,405.20, 696,144.60 and 444,512.40 is: 667,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,405.20 : 696,144.60 = 444,512.40 : x
  2. Step 2: Convert to fraction form
    463,405.20/696,144.60 = 444,512.40/x
  3. Step 3: Cross multiply
    463,405.20x = 696,144.60 × 444,512.40
  4. Step 4: Simplify right side
    463,405.20x = 309,444,906,893.04
  5. Step 5: Solve for x
    x = 309,444,906,893.04/463,405.20
  6. Step 6: Final answer
    x = 667,763.13

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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.