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Finding the Fourth Proportional to 627,546.60, 941,319.90 and 206,836.20

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Solution

The fourth proportional to 627,546.60, 941,319.90 and 206,836.20 is: 310,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,546.60 : 941,319.90 = 206,836.20 : x
  2. Step 2: Convert to fraction form
    627,546.60/941,319.90 = 206,836.20/x
  3. Step 3: Cross multiply
    627,546.60x = 941,319.90 × 206,836.20
  4. Step 4: Simplify right side
    627,546.60x = 194,699,031,100.38
  5. Step 5: Solve for x
    x = 194,699,031,100.38/627,546.60
  6. Step 6: Final answer
    x = 310,254.30

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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.