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Finding the Fourth Proportional to 576,190.82, 864,286.23 and 155,466.69

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Solution

The fourth proportional to 576,190.82, 864,286.23 and 155,466.69 is: 233,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,190.82 : 864,286.23 = 155,466.69 : x
  2. Step 2: Convert to fraction form
    576,190.82/864,286.23 = 155,466.69/x
  3. Step 3: Cross multiply
    576,190.82x = 864,286.23 × 155,466.69
  4. Step 4: Simplify right side
    576,190.82x = 134,367,719,390.68
  5. Step 5: Solve for x
    x = 134,367,719,390.68/576,190.82
  6. Step 6: Final answer
    x = 233,200.04

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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.