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Finding the Fourth Proportional to 552,930,286.40, 829,395,429.60 and 335,960,640.80

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Solution

The fourth proportional to 552,930,286.40, 829,395,429.60 and 335,960,640.80 is: 503,940,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,930,286.40 : 829,395,429.60 = 335,960,640.80 : x
  2. Step 2: Convert to fraction form
    552,930,286.40/829,395,429.60 = 335,960,640.80/x
  3. Step 3: Cross multiply
    552,930,286.40x = 829,395,429.60 × 335,960,640.80
  4. Step 4: Simplify right side
    552,930,286.40x = 278,644,220,005,007,296
  5. Step 5: Solve for x
    x = 278,644,220,005,007,296/552,930,286.40
  6. Step 6: Final answer
    x = 503,940,961.20

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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.