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Finding the Fourth Proportional to 576,513.77, 864,681.99 and 192,269.37

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Solution

The fourth proportional to 576,513.77, 864,681.99 and 192,269.37 is: 288,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,513.77 : 864,681.99 = 192,269.37 : x
  2. Step 2: Convert to fraction form
    576,513.77/864,681.99 = 192,269.37/x
  3. Step 3: Cross multiply
    576,513.77x = 864,681.99 × 192,269.37
  4. Step 4: Simplify right side
    576,513.77x = 166,251,861,467.65
  5. Step 5: Solve for x
    x = 166,251,861,467.65/576,513.77
  6. Step 6: Final answer
    x = 288,374.48

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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.