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Finding the Fourth Proportional to 462,190.18, 637,763.84 and 271,133.86

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Solution

The fourth proportional to 462,190.18, 637,763.84 and 271,133.86 is: 374,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,190.18 : 637,763.84 = 271,133.86 : x
  2. Step 2: Convert to fraction form
    462,190.18/637,763.84 = 271,133.86/x
  3. Step 3: Cross multiply
    462,190.18x = 637,763.84 × 271,133.86
  4. Step 4: Simplify right side
    462,190.18x = 172,919,368,757.54
  5. Step 5: Solve for x
    x = 172,919,368,757.54/462,190.18
  6. Step 6: Final answer
    x = 374,130.34

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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.