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Finding the Fourth Proportional to 483,882.24, 722,562.24 and 395,310.72

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Solution

The fourth proportional to 483,882.24, 722,562.24 and 395,310.72 is: 590,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,882.24 : 722,562.24 = 395,310.72 : x
  2. Step 2: Convert to fraction form
    483,882.24/722,562.24 = 395,310.72/x
  3. Step 3: Cross multiply
    483,882.24x = 722,562.24 × 395,310.72
  4. Step 4: Simplify right side
    483,882.24x = 285,636,599,339.21
  5. Step 5: Solve for x
    x = 285,636,599,339.21/483,882.24
  6. Step 6: Final answer
    x = 590,301.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.