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Finding the Fourth Proportional to 432,936.25, 649,473.49 and 133,344.25

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Solution

The fourth proportional to 432,936.25, 649,473.49 and 133,344.25 is: 200,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,936.25 : 649,473.49 = 133,344.25 : x
  2. Step 2: Convert to fraction form
    432,936.25/649,473.49 = 133,344.25/x
  3. Step 3: Cross multiply
    432,936.25x = 649,473.49 × 133,344.25
  4. Step 4: Simplify right side
    432,936.25x = 86,603,553,961.93
  5. Step 5: Solve for x
    x = 86,603,553,961.93/432,936.25
  6. Step 6: Final answer
    x = 200,037.66

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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.