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Finding the Fourth Proportional to 271,103.82, 407,162.24 and 238,657.53

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Solution

The fourth proportional to 271,103.82, 407,162.24 and 238,657.53 is: 358,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,103.82 : 407,162.24 = 238,657.53 : x
  2. Step 2: Convert to fraction form
    271,103.82/407,162.24 = 238,657.53/x
  3. Step 3: Cross multiply
    271,103.82x = 407,162.24 × 238,657.53
  4. Step 4: Simplify right side
    271,103.82x = 97,172,334,765.55
  5. Step 5: Solve for x
    x = 97,172,334,765.55/271,103.82
  6. Step 6: Final answer
    x = 358,432.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.