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Finding the Fourth Proportional to 531,016.80, 796,525.20 and 151,936.80

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Solution

The fourth proportional to 531,016.80, 796,525.20 and 151,936.80 is: 227,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,016.80 : 796,525.20 = 151,936.80 : x
  2. Step 2: Convert to fraction form
    531,016.80/796,525.20 = 151,936.80/x
  3. Step 3: Cross multiply
    531,016.80x = 796,525.20 × 151,936.80
  4. Step 4: Simplify right side
    531,016.80x = 121,021,490,007.36
  5. Step 5: Solve for x
    x = 121,021,490,007.36/531,016.80
  6. Step 6: Final answer
    x = 227,905.20

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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.