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Finding the Fourth Proportional to 264,687.30, 396,807.72 and 114,814.80

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Solution

The fourth proportional to 264,687.30, 396,807.72 and 114,814.80 is: 172,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,687.30 : 396,807.72 = 114,814.80 : x
  2. Step 2: Convert to fraction form
    264,687.30/396,807.72 = 114,814.80/x
  3. Step 3: Cross multiply
    264,687.30x = 396,807.72 × 114,814.80
  4. Step 4: Simplify right side
    264,687.30x = 45,559,399,010.26
  5. Step 5: Solve for x
    x = 45,559,399,010.26/264,687.30
  6. Step 6: Final answer
    x = 172,125.37

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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.