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Finding the Fourth Proportional to 463,390.20, 696,122.10 and 444,497.40

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Solution

The fourth proportional to 463,390.20, 696,122.10 and 444,497.40 is: 667,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,390.20 : 696,122.10 = 444,497.40 : x
  2. Step 2: Convert to fraction form
    463,390.20/696,122.10 = 444,497.40/x
  3. Step 3: Cross multiply
    463,390.20x = 696,122.10 × 444,497.40
  4. Step 4: Simplify right side
    463,390.20x = 309,424,463,532.54
  5. Step 5: Solve for x
    x = 309,424,463,532.54/463,390.20
  6. Step 6: Final answer
    x = 667,740.63

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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.