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Finding the Fourth Proportional to 501,298.72, 691,792.44 and 271,855.92

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Solution

The fourth proportional to 501,298.72, 691,792.44 and 271,855.92 is: 375,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,298.72 : 691,792.44 = 271,855.92 : x
  2. Step 2: Convert to fraction form
    501,298.72/691,792.44 = 271,855.92/x
  3. Step 3: Cross multiply
    501,298.72x = 691,792.44 × 271,855.92
  4. Step 4: Simplify right side
    501,298.72x = 188,067,870,225.25
  5. Step 5: Solve for x
    x = 188,067,870,225.25/501,298.72
  6. Step 6: Final answer
    x = 375,161.28

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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.