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Finding the Fourth Proportional to 264,297.34, 396,442.45 and 64,619.44

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Solution

The fourth proportional to 264,297.34, 396,442.45 and 64,619.44 is: 96,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,297.34 : 396,442.45 = 64,619.44 : x
  2. Step 2: Convert to fraction form
    264,297.34/396,442.45 = 64,619.44/x
  3. Step 3: Cross multiply
    264,297.34x = 396,442.45 × 64,619.44
  4. Step 4: Simplify right side
    264,297.34x = 25,617,889,111.23
  5. Step 5: Solve for x
    x = 25,617,889,111.23/264,297.34
  6. Step 6: Final answer
    x = 96,928.29

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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.