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Finding the Fourth Proportional to 501,197.55, 691,649.62 and 271,752.49

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Solution

The fourth proportional to 501,197.55, 691,649.62 and 271,752.49 is: 375,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,197.55 : 691,649.62 = 271,752.49 : x
  2. Step 2: Convert to fraction form
    501,197.55/691,649.62 = 271,752.49/x
  3. Step 3: Cross multiply
    501,197.55x = 691,649.62 × 271,752.49
  4. Step 4: Simplify right side
    501,197.55x = 187,957,506,442.55
  5. Step 5: Solve for x
    x = 187,957,506,442.55/501,197.55
  6. Step 6: Final answer
    x = 375,016.81

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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.