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Finding the Fourth Proportional to 374,993.24, 517,500.99 and 213,874.52

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Solution

The fourth proportional to 374,993.24, 517,500.99 and 213,874.52 is: 295,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,993.24 : 517,500.99 = 213,874.52 : x
  2. Step 2: Convert to fraction form
    374,993.24/517,500.99 = 213,874.52/x
  3. Step 3: Cross multiply
    374,993.24x = 517,500.99 × 213,874.52
  4. Step 4: Simplify right side
    374,993.24x = 110,680,273,248.27
  5. Step 5: Solve for x
    x = 110,680,273,248.27/374,993.24
  6. Step 6: Final answer
    x = 295,152.72

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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.