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Finding the Fourth Proportional to 382,818.80, 574,348.88 and 180,406.73

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Solution

The fourth proportional to 382,818.80, 574,348.88 and 180,406.73 is: 270,666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,818.80 : 574,348.88 = 180,406.73 : x
  2. Step 2: Convert to fraction form
    382,818.80/574,348.88 = 180,406.73/x
  3. Step 3: Cross multiply
    382,818.80x = 574,348.88 × 180,406.73
  4. Step 4: Simplify right side
    382,818.80x = 103,616,399,546.18
  5. Step 5: Solve for x
    x = 103,616,399,546.18/382,818.80
  6. Step 6: Final answer
    x = 270,666.96

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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.