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Finding the Fourth Proportional to 297,471.48, 410,358.54 and 189,928.44

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Solution

The fourth proportional to 297,471.48, 410,358.54 and 189,928.44 is: 262,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,471.48 : 410,358.54 = 189,928.44 : x
  2. Step 2: Convert to fraction form
    297,471.48/410,358.54 = 189,928.44/x
  3. Step 3: Cross multiply
    297,471.48x = 410,358.54 × 189,928.44
  4. Step 4: Simplify right side
    297,471.48x = 77,938,757,342.88
  5. Step 5: Solve for x
    x = 77,938,757,342.88/297,471.48
  6. Step 6: Final answer
    x = 262,004.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.