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Finding the Fourth Proportional to 579,266,728.16, 799,415,414.04 and 328,375,982.64

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Solution

The fourth proportional to 579,266,728.16, 799,415,414.04 and 328,375,982.64 is: 453,174,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,266,728.16 : 799,415,414.04 = 328,375,982.64 : x
  2. Step 2: Convert to fraction form
    579,266,728.16/799,415,414.04 = 328,375,982.64/x
  3. Step 3: Cross multiply
    579,266,728.16x = 799,415,414.04 × 328,375,982.64
  4. Step 4: Simplify right side
    579,266,728.16x = 262,508,822,122,947,424
  5. Step 5: Solve for x
    x = 262,508,822,122,947,424/579,266,728.16
  6. Step 6: Final answer
    x = 453,174,348.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.