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Finding the Fourth Proportional to 548,634.60, 822,951.90 and 268,698.60

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Solution

The fourth proportional to 548,634.60, 822,951.90 and 268,698.60 is: 403,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,634.60 : 822,951.90 = 268,698.60 : x
  2. Step 2: Convert to fraction form
    548,634.60/822,951.90 = 268,698.60/x
  3. Step 3: Cross multiply
    548,634.60x = 822,951.90 × 268,698.60
  4. Step 4: Simplify right side
    548,634.60x = 221,126,023,397.34
  5. Step 5: Solve for x
    x = 221,126,023,397.34/548,634.60
  6. Step 6: Final answer
    x = 403,047.90

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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.