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Finding the Fourth Proportional to 538,546.80, 807,820.20 and 183,529.20

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Solution

The fourth proportional to 538,546.80, 807,820.20 and 183,529.20 is: 275,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,546.80 : 807,820.20 = 183,529.20 : x
  2. Step 2: Convert to fraction form
    538,546.80/807,820.20 = 183,529.20/x
  3. Step 3: Cross multiply
    538,546.80x = 807,820.20 × 183,529.20
  4. Step 4: Simplify right side
    538,546.80x = 148,258,595,049.84
  5. Step 5: Solve for x
    x = 148,258,595,049.84/538,546.80
  6. Step 6: Final answer
    x = 275,293.80

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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.