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Finding the Fourth Proportional to 474,668.08, 711,891.37 and 137,618.27

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Solution

The fourth proportional to 474,668.08, 711,891.37 and 137,618.27 is: 206,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,668.08 : 711,891.37 = 137,618.27 : x
  2. Step 2: Convert to fraction form
    474,668.08/711,891.37 = 137,618.27/x
  3. Step 3: Cross multiply
    474,668.08x = 711,891.37 × 137,618.27
  4. Step 4: Simplify right side
    474,668.08x = 97,969,258,767.33
  5. Step 5: Solve for x
    x = 97,969,258,767.33/474,668.08
  6. Step 6: Final answer
    x = 206,395.30

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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.