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Finding the Fourth Proportional to 462,195.35, 637,770.95 and 271,139.03

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Solution

The fourth proportional to 462,195.35, 637,770.95 and 271,139.03 is: 374,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,195.35 : 637,770.95 = 271,139.03 : x
  2. Step 2: Convert to fraction form
    462,195.35/637,770.95 = 271,139.03/x
  3. Step 3: Cross multiply
    462,195.35x = 637,770.95 × 271,139.03
  4. Step 4: Simplify right side
    462,195.35x = 172,924,592,200.63
  5. Step 5: Solve for x
    x = 172,924,592,200.63/462,195.35
  6. Step 6: Final answer
    x = 374,137.46

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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.