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Finding the Fourth Proportional to 382,668.08, 527,905.25 and 246,745.68

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Solution

The fourth proportional to 382,668.08, 527,905.25 and 246,745.68 is: 340,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,668.08 : 527,905.25 = 246,745.68 : x
  2. Step 2: Convert to fraction form
    382,668.08/527,905.25 = 246,745.68/x
  3. Step 3: Cross multiply
    382,668.08x = 527,905.25 × 246,745.68
  4. Step 4: Simplify right side
    382,668.08x = 130,258,338,653.09
  5. Step 5: Solve for x
    x = 130,258,338,653.09/382,668.08
  6. Step 6: Final answer
    x = 340,395.10

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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.