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Finding the Fourth Proportional to 483,997.46, 725,522.31 and 270,869.45

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Solution

The fourth proportional to 483,997.46, 725,522.31 and 270,869.45 is: 406,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,997.46 : 725,522.31 = 270,869.45 : x
  2. Step 2: Convert to fraction form
    483,997.46/725,522.31 = 270,869.45/x
  3. Step 3: Cross multiply
    483,997.46x = 725,522.31 × 270,869.45
  4. Step 4: Simplify right side
    483,997.46x = 196,521,829,072.43
  5. Step 5: Solve for x
    x = 196,521,829,072.43/483,997.46
  6. Step 6: Final answer
    x = 406,038.97

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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.