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Finding the Fourth Proportional to 546,744.20, 820,116.30 and 251,256.20

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Solution

The fourth proportional to 546,744.20, 820,116.30 and 251,256.20 is: 376,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,744.20 : 820,116.30 = 251,256.20 : x
  2. Step 2: Convert to fraction form
    546,744.20/820,116.30 = 251,256.20/x
  3. Step 3: Cross multiply
    546,744.20x = 820,116.30 × 251,256.20
  4. Step 4: Simplify right side
    546,744.20x = 206,059,305,096.06
  5. Step 5: Solve for x
    x = 206,059,305,096.06/546,744.20
  6. Step 6: Final answer
    x = 376,884.30

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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.