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Finding the Fourth Proportional to 488,531.40, 733,229.10 and 288,601.80

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Solution

The fourth proportional to 488,531.40, 733,229.10 and 288,601.80 is: 433,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,531.40 : 733,229.10 = 288,601.80 : x
  2. Step 2: Convert to fraction form
    488,531.40/733,229.10 = 288,601.80/x
  3. Step 3: Cross multiply
    488,531.40x = 733,229.10 × 288,601.80
  4. Step 4: Simplify right side
    488,531.40x = 211,611,238,072.38
  5. Step 5: Solve for x
    x = 211,611,238,072.38/488,531.40
  6. Step 6: Final answer
    x = 433,157.91

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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.