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Finding the Fourth Proportional to 391,300.96, 586,951.44 and 251,945.44

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Solution

The fourth proportional to 391,300.96, 586,951.44 and 251,945.44 is: 377,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,300.96 : 586,951.44 = 251,945.44 : x
  2. Step 2: Convert to fraction form
    391,300.96/586,951.44 = 251,945.44/x
  3. Step 3: Cross multiply
    391,300.96x = 586,951.44 × 251,945.44
  4. Step 4: Simplify right side
    391,300.96x = 147,879,738,809.43
  5. Step 5: Solve for x
    x = 147,879,738,809.43/391,300.96
  6. Step 6: Final answer
    x = 377,918.16

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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.