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Finding the Fourth Proportional to 483,846.80, 725,770.20 and 146,886.80

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Solution

The fourth proportional to 483,846.80, 725,770.20 and 146,886.80 is: 220,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,846.80 : 725,770.20 = 146,886.80 : x
  2. Step 2: Convert to fraction form
    483,846.80/725,770.20 = 146,886.80/x
  3. Step 3: Cross multiply
    483,846.80x = 725,770.20 × 146,886.80
  4. Step 4: Simplify right side
    483,846.80x = 106,606,062,213.36
  5. Step 5: Solve for x
    x = 106,606,062,213.36/483,846.80
  6. Step 6: Final answer
    x = 220,330.20

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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.