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Finding the Fourth Proportional to 527,258.81, 790,889.37 and 190,537.27

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Solution

The fourth proportional to 527,258.81, 790,889.37 and 190,537.27 is: 285,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,258.81 : 790,889.37 = 190,537.27 : x
  2. Step 2: Convert to fraction form
    527,258.81/790,889.37 = 190,537.27/x
  3. Step 3: Cross multiply
    527,258.81x = 790,889.37 × 190,537.27
  4. Step 4: Simplify right side
    527,258.81x = 150,693,896,524.69
  5. Step 5: Solve for x
    x = 150,693,896,524.69/527,258.81
  6. Step 6: Final answer
    x = 285,806.32

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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.