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Finding the Fourth Proportional to 263,503.68, 395,185.20 and 73,952.88

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Solution

The fourth proportional to 263,503.68, 395,185.20 and 73,952.88 is: 110,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,503.68 : 395,185.20 = 73,952.88 : x
  2. Step 2: Convert to fraction form
    263,503.68/395,185.20 = 73,952.88/x
  3. Step 3: Cross multiply
    263,503.68x = 395,185.20 × 73,952.88
  4. Step 4: Simplify right side
    263,503.68x = 29,225,083,673.38
  5. Step 5: Solve for x
    x = 29,225,083,673.38/263,503.68
  6. Step 6: Final answer
    x = 110,909.58

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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.