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Finding the Fourth Proportional to 576,576.09, 864,573.78 and 192,188.82

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Solution

The fourth proportional to 576,576.09, 864,573.78 and 192,188.82 is: 288,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,576.09 : 864,573.78 = 192,188.82 : x
  2. Step 2: Convert to fraction form
    576,576.09/864,573.78 = 192,188.82/x
  3. Step 3: Cross multiply
    576,576.09x = 864,573.78 × 192,188.82
  4. Step 4: Simplify right side
    576,576.09x = 166,161,414,581.14
  5. Step 5: Solve for x
    x = 166,161,414,581.14/576,576.09
  6. Step 6: Final answer
    x = 288,186.45

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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.