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Finding the Fourth Proportional to 608,244.60, 911,732.13 and 271,442.82

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Solution

The fourth proportional to 608,244.60, 911,732.13 and 271,442.82 is: 406,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,244.60 : 911,732.13 = 271,442.82 : x
  2. Step 2: Convert to fraction form
    608,244.60/911,732.13 = 271,442.82/x
  3. Step 3: Cross multiply
    608,244.60x = 911,732.13 × 271,442.82
  4. Step 4: Simplify right side
    608,244.60x = 247,483,140,451.81
  5. Step 5: Solve for x
    x = 247,483,140,451.81/608,244.60
  6. Step 6: Final answer
    x = 406,880.95

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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.