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Finding the Fourth Proportional to 497,966.66, 687,168.33 and 271,568.42

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Solution

The fourth proportional to 497,966.66, 687,168.33 and 271,568.42 is: 374,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,966.66 : 687,168.33 = 271,568.42 : x
  2. Step 2: Convert to fraction form
    497,966.66/687,168.33 = 271,568.42/x
  3. Step 3: Cross multiply
    497,966.66x = 687,168.33 × 271,568.42
  4. Step 4: Simplify right side
    497,966.66x = 186,613,217,652.14
  5. Step 5: Solve for x
    x = 186,613,217,652.14/497,966.66
  6. Step 6: Final answer
    x = 374,750.43

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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.