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Finding the Fourth Proportional to 491,459.50, 737,189.56 and 136,473.56

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Solution

The fourth proportional to 491,459.50, 737,189.56 and 136,473.56 is: 204,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,459.50 : 737,189.56 = 136,473.56 : x
  2. Step 2: Convert to fraction form
    491,459.50/737,189.56 = 136,473.56/x
  3. Step 3: Cross multiply
    491,459.50x = 737,189.56 × 136,473.56
  4. Step 4: Simplify right side
    491,459.50x = 100,606,882,129.48
  5. Step 5: Solve for x
    x = 100,606,882,129.48/491,459.50
  6. Step 6: Final answer
    x = 204,710.42

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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.