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Finding the Fourth Proportional to 470,843.67, 649,771.35 and 255,983.25

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Solution

The fourth proportional to 470,843.67, 649,771.35 and 255,983.25 is: 353,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,843.67 : 649,771.35 = 255,983.25 : x
  2. Step 2: Convert to fraction form
    470,843.67/649,771.35 = 255,983.25/x
  3. Step 3: Cross multiply
    470,843.67x = 649,771.35 × 255,983.25
  4. Step 4: Simplify right side
    470,843.67x = 166,330,581,929.89
  5. Step 5: Solve for x
    x = 166,330,581,929.89/470,843.67
  6. Step 6: Final answer
    x = 353,260.74

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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.