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Finding the Fourth Proportional to 726,876.72, 1,090,496.52 and 253,566

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Solution

The fourth proportional to 726,876.72, 1,090,496.52 and 253,566 is: 380,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,876.72 : 1,090,496.52 = 253,566 : x
  2. Step 2: Convert to fraction form
    726,876.72/1,090,496.52 = 253,566/x
  3. Step 3: Cross multiply
    726,876.72x = 1,090,496.52 × 253,566
  4. Step 4: Simplify right side
    726,876.72x = 276,512,840,590.32
  5. Step 5: Solve for x
    x = 276,512,840,590.32/726,876.72
  6. Step 6: Final answer
    x = 380,412.29

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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.