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Finding the Fourth Proportional to 548,820.60, 823,230.90 and 268,884.60

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Solution

The fourth proportional to 548,820.60, 823,230.90 and 268,884.60 is: 403,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,820.60 : 823,230.90 = 268,884.60 : x
  2. Step 2: Convert to fraction form
    548,820.60/823,230.90 = 268,884.60/x
  3. Step 3: Cross multiply
    548,820.60x = 823,230.90 × 268,884.60
  4. Step 4: Simplify right side
    548,820.60x = 221,354,111,254.14
  5. Step 5: Solve for x
    x = 221,354,111,254.14/548,820.60
  6. Step 6: Final answer
    x = 403,326.90

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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.