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Finding the Fourth Proportional to 295,231.20, 444,013.20 and 264,904.80

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Solution

The fourth proportional to 295,231.20, 444,013.20 and 264,904.80 is: 398,403.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,231.20 : 444,013.20 = 264,904.80 : x
  2. Step 2: Convert to fraction form
    295,231.20/444,013.20 = 264,904.80/x
  3. Step 3: Cross multiply
    295,231.20x = 444,013.20 × 264,904.80
  4. Step 4: Simplify right side
    295,231.20x = 117,621,227,943.36
  5. Step 5: Solve for x
    x = 117,621,227,943.36/295,231.20
  6. Step 6: Final answer
    x = 398,403.79

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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.