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Finding the Fourth Proportional to 548,116.80, 822,175.20 and 268,180.80

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Solution

The fourth proportional to 548,116.80, 822,175.20 and 268,180.80 is: 402,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,116.80 : 822,175.20 = 268,180.80 : x
  2. Step 2: Convert to fraction form
    548,116.80/822,175.20 = 268,180.80/x
  3. Step 3: Cross multiply
    548,116.80x = 822,175.20 × 268,180.80
  4. Step 4: Simplify right side
    548,116.80x = 220,491,602,876.16
  5. Step 5: Solve for x
    x = 220,491,602,876.16/548,116.80
  6. Step 6: Final answer
    x = 402,271.20

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Similar ratio
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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.