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Finding the Fourth Proportional to 483,828.48, 667,609.92 and 268,970.40

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Solution

The fourth proportional to 483,828.48, 667,609.92 and 268,970.40 is: 371,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,828.48 : 667,609.92 = 268,970.40 : x
  2. Step 2: Convert to fraction form
    483,828.48/667,609.92 = 268,970.40/x
  3. Step 3: Cross multiply
    483,828.48x = 667,609.92 × 268,970.40
  4. Step 4: Simplify right side
    483,828.48x = 179,567,307,226.37
  5. Step 5: Solve for x
    x = 179,567,307,226.37/483,828.48
  6. Step 6: Final answer
    x = 371,138.36

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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.