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Finding the Fourth Proportional to 382,654.80, 573,982.20 and 98,344.80

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Solution

The fourth proportional to 382,654.80, 573,982.20 and 98,344.80 is: 147,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,654.80 : 573,982.20 = 98,344.80 : x
  2. Step 2: Convert to fraction form
    382,654.80/573,982.20 = 98,344.80/x
  3. Step 3: Cross multiply
    382,654.80x = 573,982.20 × 98,344.80
  4. Step 4: Simplify right side
    382,654.80x = 56,448,164,662.56
  5. Step 5: Solve for x
    x = 56,448,164,662.56/382,654.80
  6. Step 6: Final answer
    x = 147,517.20

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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.