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Finding the Fourth Proportional to 576,520.86, 864,692.58 and 192,276.48

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Solution

The fourth proportional to 576,520.86, 864,692.58 and 192,276.48 is: 288,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,520.86 : 864,692.58 = 192,276.48 : x
  2. Step 2: Convert to fraction form
    576,520.86/864,692.58 = 192,276.48/x
  3. Step 3: Cross multiply
    576,520.86x = 864,692.58 × 192,276.48
  4. Step 4: Simplify right side
    576,520.86x = 166,260,045,564.52
  5. Step 5: Solve for x
    x = 166,260,045,564.52/576,520.86
  6. Step 6: Final answer
    x = 288,385.13

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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.