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Finding the Fourth Proportional to 635,491.68, 953,245.38 and 186,221.76

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Solution

The fourth proportional to 635,491.68, 953,245.38 and 186,221.76 is: 279,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,491.68 : 953,245.38 = 186,221.76 : x
  2. Step 2: Convert to fraction form
    635,491.68/953,245.38 = 186,221.76/x
  3. Step 3: Cross multiply
    635,491.68x = 953,245.38 × 186,221.76
  4. Step 4: Simplify right side
    635,491.68x = 177,515,032,375.47
  5. Step 5: Solve for x
    x = 177,515,032,375.47/635,491.68
  6. Step 6: Final answer
    x = 279,334.94

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Similar ratio
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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.