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Finding the Fourth Proportional to 576,189.82, 864,284.73 and 155,465.69

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Solution

The fourth proportional to 576,189.82, 864,284.73 and 155,465.69 is: 233,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,189.82 : 864,284.73 = 155,465.69 : x
  2. Step 2: Convert to fraction form
    576,189.82/864,284.73 = 155,465.69/x
  3. Step 3: Cross multiply
    576,189.82x = 864,284.73 × 155,465.69
  4. Step 4: Simplify right side
    576,189.82x = 134,366,624,066.63
  5. Step 5: Solve for x
    x = 134,366,624,066.63/576,189.82
  6. Step 6: Final answer
    x = 233,198.54

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Similar ratio
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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.