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Finding the Fourth Proportional to 253,387.44, 379,958.12 and 95,628.16

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Solution

The fourth proportional to 253,387.44, 379,958.12 and 95,628.16 is: 143,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,387.44 : 379,958.12 = 95,628.16 : x
  2. Step 2: Convert to fraction form
    253,387.44/379,958.12 = 95,628.16/x
  3. Step 3: Cross multiply
    253,387.44x = 379,958.12 × 95,628.16
  4. Step 4: Simplify right side
    253,387.44x = 36,334,695,892.66
  5. Step 5: Solve for x
    x = 36,334,695,892.66/253,387.44
  6. Step 6: Final answer
    x = 143,395.80

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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.