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Finding the Fourth Proportional to 550,263.20, 825,394.80 and 363,274.70

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Solution

The fourth proportional to 550,263.20, 825,394.80 and 363,274.70 is: 544,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,263.20 : 825,394.80 = 363,274.70 : x
  2. Step 2: Convert to fraction form
    550,263.20/825,394.80 = 363,274.70/x
  3. Step 3: Cross multiply
    550,263.20x = 825,394.80 × 363,274.70
  4. Step 4: Simplify right side
    550,263.20x = 299,845,048,351.56
  5. Step 5: Solve for x
    x = 299,845,048,351.56/550,263.20
  6. Step 6: Final answer
    x = 544,912.05

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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.