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Finding the Fourth Proportional to 264,805.37, 396,984.15 and 114,933

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Solution

The fourth proportional to 264,805.37, 396,984.15 and 114,933 is: 172,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,805.37 : 396,984.15 = 114,933 : x
  2. Step 2: Convert to fraction form
    264,805.37/396,984.15 = 114,933/x
  3. Step 3: Cross multiply
    264,805.37x = 396,984.15 × 114,933
  4. Step 4: Simplify right side
    264,805.37x = 45,626,579,311.95
  5. Step 5: Solve for x
    x = 45,626,579,311.95/264,805.37
  6. Step 6: Final answer
    x = 172,302.32

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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.