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Finding the Fourth Proportional to 576,623.70, 864,846.54 and 192,379.35

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Solution

The fourth proportional to 576,623.70, 864,846.54 and 192,379.35 is: 288,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,623.70 : 864,846.54 = 192,379.35 : x
  2. Step 2: Convert to fraction form
    576,623.70/864,846.54 = 192,379.35/x
  3. Step 3: Cross multiply
    576,623.70x = 864,846.54 × 192,379.35
  4. Step 4: Simplify right side
    576,623.70x = 166,378,615,214.95
  5. Step 5: Solve for x
    x = 166,378,615,214.95/576,623.70
  6. Step 6: Final answer
    x = 288,539.33

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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.