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Finding the Fourth Proportional to 323,913.70, 485,870.55 and 182,196.10

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Solution

The fourth proportional to 323,913.70, 485,870.55 and 182,196.10 is: 273,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,913.70 : 485,870.55 = 182,196.10 : x
  2. Step 2: Convert to fraction form
    323,913.70/485,870.55 = 182,196.10/x
  3. Step 3: Cross multiply
    323,913.70x = 485,870.55 × 182,196.10
  4. Step 4: Simplify right side
    323,913.70x = 88,523,719,314.86
  5. Step 5: Solve for x
    x = 88,523,719,314.86/323,913.70
  6. Step 6: Final answer
    x = 273,294.15

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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.