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Finding the Fourth Proportional to 576,914.82, 865,372.80 and 150,450.32

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Solution

The fourth proportional to 576,914.82, 865,372.80 and 150,450.32 is: 225,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,914.82 : 865,372.80 = 150,450.32 : x
  2. Step 2: Convert to fraction form
    576,914.82/865,372.80 = 150,450.32/x
  3. Step 3: Cross multiply
    576,914.82x = 865,372.80 × 150,450.32
  4. Step 4: Simplify right side
    576,914.82x = 130,195,614,679.30
  5. Step 5: Solve for x
    x = 130,195,614,679.30/576,914.82
  6. Step 6: Final answer
    x = 225,675.63

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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.