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Finding the Fourth Proportional to 501,323.91, 691,822.27 and 271,886.26

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Solution

The fourth proportional to 501,323.91, 691,822.27 and 271,886.26 is: 375,200.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,323.91 : 691,822.27 = 271,886.26 : x
  2. Step 2: Convert to fraction form
    501,323.91/691,822.27 = 271,886.26/x
  3. Step 3: Cross multiply
    501,323.91x = 691,822.27 × 271,886.26
  4. Step 4: Simplify right side
    501,323.91x = 188,096,969,575.01
  5. Step 5: Solve for x
    x = 188,096,969,575.01/501,323.91
  6. Step 6: Final answer
    x = 375,200.48

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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.