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Finding the Fourth Proportional to 488,933.96, 674,730.41 and 271,158.17

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Solution

The fourth proportional to 488,933.96, 674,730.41 and 271,158.17 is: 374,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,933.96 : 674,730.41 = 271,158.17 : x
  2. Step 2: Convert to fraction form
    488,933.96/674,730.41 = 271,158.17/x
  3. Step 3: Cross multiply
    488,933.96x = 674,730.41 × 271,158.17
  4. Step 4: Simplify right side
    488,933.96x = 182,958,658,489.51
  5. Step 5: Solve for x
    x = 182,958,658,489.51/488,933.96
  6. Step 6: Final answer
    x = 374,199.13

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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.