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Finding the Fourth Proportional to 443,264.40, 664,896.60 and 301,546.80

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Solution

The fourth proportional to 443,264.40, 664,896.60 and 301,546.80 is: 452,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,264.40 : 664,896.60 = 301,546.80 : x
  2. Step 2: Convert to fraction form
    443,264.40/664,896.60 = 301,546.80/x
  3. Step 3: Cross multiply
    443,264.40x = 664,896.60 × 301,546.80
  4. Step 4: Simplify right side
    443,264.40x = 200,497,442,060.88
  5. Step 5: Solve for x
    x = 200,497,442,060.88/443,264.40
  6. Step 6: Final answer
    x = 452,320.20

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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.