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Finding the Fourth Proportional to 548,833.60, 823,250.40 and 268,897.60

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Solution

The fourth proportional to 548,833.60, 823,250.40 and 268,897.60 is: 403,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,833.60 : 823,250.40 = 268,897.60 : x
  2. Step 2: Convert to fraction form
    548,833.60/823,250.40 = 268,897.60/x
  3. Step 3: Cross multiply
    548,833.60x = 823,250.40 × 268,897.60
  4. Step 4: Simplify right side
    548,833.60x = 221,370,056,759.04
  5. Step 5: Solve for x
    x = 221,370,056,759.04/548,833.60
  6. Step 6: Final answer
    x = 403,346.40

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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.