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Finding the Fourth Proportional to 458,830.89, 633,287.83 and 254,951.86

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Solution

The fourth proportional to 458,830.89, 633,287.83 and 254,951.86 is: 351,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,830.89 : 633,287.83 = 254,951.86 : x
  2. Step 2: Convert to fraction form
    458,830.89/633,287.83 = 254,951.86/x
  3. Step 3: Cross multiply
    458,830.89x = 633,287.83 × 254,951.86
  4. Step 4: Simplify right side
    458,830.89x = 161,457,910,173.86
  5. Step 5: Solve for x
    x = 161,457,910,173.86/458,830.89
  6. Step 6: Final answer
    x = 351,889.80

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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.