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Finding the Fourth Proportional to 543,285.45, 814,928.18 and 188,335.35

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Solution

The fourth proportional to 543,285.45, 814,928.18 and 188,335.35 is: 282,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,285.45 : 814,928.18 = 188,335.35 : x
  2. Step 2: Convert to fraction form
    543,285.45/814,928.18 = 188,335.35/x
  3. Step 3: Cross multiply
    543,285.45x = 814,928.18 × 188,335.35
  4. Step 4: Simplify right side
    543,285.45x = 153,479,783,063.49
  5. Step 5: Solve for x
    x = 153,479,783,063.49/543,285.45
  6. Step 6: Final answer
    x = 282,503.03

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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.