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Finding the Fourth Proportional to 352,374.37, 486,035.78 and 224,992.55

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Solution

The fourth proportional to 352,374.37, 486,035.78 and 224,992.55 is: 310,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,374.37 : 486,035.78 = 224,992.55 : x
  2. Step 2: Convert to fraction form
    352,374.37/486,035.78 = 224,992.55/x
  3. Step 3: Cross multiply
    352,374.37x = 486,035.78 × 224,992.55
  4. Step 4: Simplify right side
    352,374.37x = 109,354,429,623.57
  5. Step 5: Solve for x
    x = 109,354,429,623.57/352,374.37
  6. Step 6: Final answer
    x = 310,335.94

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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.