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Finding the Fourth Proportional to 576,529.94, 864,706.21 and 192,285.58

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Solution

The fourth proportional to 576,529.94, 864,706.21 and 192,285.58 is: 288,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,529.94 : 864,706.21 = 192,285.58 : x
  2. Step 2: Convert to fraction form
    576,529.94/864,706.21 = 192,285.58/x
  3. Step 3: Cross multiply
    576,529.94x = 864,706.21 × 192,285.58
  4. Step 4: Simplify right side
    576,529.94x = 166,270,532,476.97
  5. Step 5: Solve for x
    x = 166,270,532,476.97/576,529.94
  6. Step 6: Final answer
    x = 288,398.78

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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.