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Finding the Fourth Proportional to 264,212.30, 395,443.65 and 264,212.30

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Solution

The fourth proportional to 264,212.30, 395,443.65 and 264,212.30 is: 395,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,212.30 : 395,443.65 = 264,212.30 : x
  2. Step 2: Convert to fraction form
    264,212.30/395,443.65 = 264,212.30/x
  3. Step 3: Cross multiply
    264,212.30x = 395,443.65 × 264,212.30
  4. Step 4: Simplify right side
    264,212.30x = 104,481,076,286.90
  5. Step 5: Solve for x
    x = 104,481,076,286.90/264,212.30
  6. Step 6: Final answer
    x = 395,443.65

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1.5x scale

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.