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Finding the Fourth Proportional to 653,243.72, 979,875.40 and 226,793.08

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Solution

The fourth proportional to 653,243.72, 979,875.40 and 226,793.08 is: 340,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,243.72 : 979,875.40 = 226,793.08 : x
  2. Step 2: Convert to fraction form
    653,243.72/979,875.40 = 226,793.08/x
  3. Step 3: Cross multiply
    653,243.72x = 979,875.40 × 226,793.08
  4. Step 4: Simplify right side
    653,243.72x = 222,228,959,982.23
  5. Step 5: Solve for x
    x = 222,228,959,982.23/653,243.72
  6. Step 6: Final answer
    x = 340,193.03

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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.