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Finding the Fourth Proportional to 618,252.05, 927,271.00 and 185,963.25

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Solution

The fourth proportional to 618,252.05, 927,271.00 and 185,963.25 is: 278,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,252.05 : 927,271.00 = 185,963.25 : x
  2. Step 2: Convert to fraction form
    618,252.05/927,271.00 = 185,963.25/x
  3. Step 3: Cross multiply
    618,252.05x = 927,271.00 × 185,963.25
  4. Step 4: Simplify right side
    618,252.05x = 172,438,332,500.47
  5. Step 5: Solve for x
    x = 172,438,332,500.47/618,252.05
  6. Step 6: Final answer
    x = 278,912.67

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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.