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Finding the Fourth Proportional to 550,728.27, 825,933.60 and 151,382.07

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Solution

The fourth proportional to 550,728.27, 825,933.60 and 151,382.07 is: 227,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,728.27 : 825,933.60 = 151,382.07 : x
  2. Step 2: Convert to fraction form
    550,728.27/825,933.60 = 151,382.07/x
  3. Step 3: Cross multiply
    550,728.27x = 825,933.60 × 151,382.07
  4. Step 4: Simplify right side
    550,728.27x = 125,031,538,050.55
  5. Step 5: Solve for x
    x = 125,031,538,050.55/550,728.27
  6. Step 6: Final answer
    x = 227,029.45

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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.