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Finding the Fourth Proportional to 576,770.20, 863,114.10 and 502,703.80

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Solution

The fourth proportional to 576,770.20, 863,114.10 and 502,703.80 is: 752,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,770.20 : 863,114.10 = 502,703.80 : x
  2. Step 2: Convert to fraction form
    576,770.20/863,114.10 = 502,703.80/x
  3. Step 3: Cross multiply
    576,770.20x = 863,114.10 × 502,703.80
  4. Step 4: Simplify right side
    576,770.20x = 433,890,737,903.58
  5. Step 5: Solve for x
    x = 433,890,737,903.58/576,770.20
  6. Step 6: Final answer
    x = 752,276.62

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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.