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Finding the Fourth Proportional to 576,193,073.88, 795,146,480.82 and 315,432,689.88

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Solution

The fourth proportional to 576,193,073.88, 795,146,480.82 and 315,432,689.88 is: 435,297,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,193,073.88 : 795,146,480.82 = 315,432,689.88 : x
  2. Step 2: Convert to fraction form
    576,193,073.88/795,146,480.82 = 315,432,689.88/x
  3. Step 3: Cross multiply
    576,193,073.88x = 795,146,480.82 × 315,432,689.88
  4. Step 4: Simplify right side
    576,193,073.88x = 250,815,193,293,668,448
  5. Step 5: Solve for x
    x = 250,815,193,293,668,448/576,193,073.88
  6. Step 6: Final answer
    x = 435,297,133.31

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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.