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Finding the Fourth Proportional to 543,018.20, 814,527.30 and 149,034.20

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Solution

The fourth proportional to 543,018.20, 814,527.30 and 149,034.20 is: 223,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,018.20 : 814,527.30 = 149,034.20 : x
  2. Step 2: Convert to fraction form
    543,018.20/814,527.30 = 149,034.20/x
  3. Step 3: Cross multiply
    543,018.20x = 814,527.30 × 149,034.20
  4. Step 4: Simplify right side
    543,018.20x = 121,392,424,533.66
  5. Step 5: Solve for x
    x = 121,392,424,533.66/543,018.20
  6. Step 6: Final answer
    x = 223,551.30

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Similar ratio
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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.