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Finding the Fourth Proportional to 382,490.73, 573,729.62 and 133,166.25

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Solution

The fourth proportional to 382,490.73, 573,729.62 and 133,166.25 is: 199,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,490.73 : 573,729.62 = 133,166.25 : x
  2. Step 2: Convert to fraction form
    382,490.73/573,729.62 = 133,166.25/x
  3. Step 3: Cross multiply
    382,490.73x = 573,729.62 × 133,166.25
  4. Step 4: Simplify right side
    382,490.73x = 76,401,421,343.49
  5. Step 5: Solve for x
    x = 76,401,421,343.49/382,490.73
  6. Step 6: Final answer
    x = 199,747.12

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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.