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Finding the Fourth Proportional to 424,593.85, 585,690.69 and 271,576.21

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Solution

The fourth proportional to 424,593.85, 585,690.69 and 271,576.21 is: 374,616.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,593.85 : 585,690.69 = 271,576.21 : x
  2. Step 2: Convert to fraction form
    424,593.85/585,690.69 = 271,576.21/x
  3. Step 3: Cross multiply
    424,593.85x = 585,690.69 × 271,576.21
  4. Step 4: Simplify right side
    424,593.85x = 159,059,657,822.49
  5. Step 5: Solve for x
    x = 159,059,657,822.49/424,593.85
  6. Step 6: Final answer
    x = 374,616.02

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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.