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Finding the Fourth Proportional to 269,568,335.30, 404,352,502.95 and 215,820,623.30

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Solution

The fourth proportional to 269,568,335.30, 404,352,502.95 and 215,820,623.30 is: 323,730,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,568,335.30 : 404,352,502.95 = 215,820,623.30 : x
  2. Step 2: Convert to fraction form
    269,568,335.30/404,352,502.95 = 215,820,623.30/x
  3. Step 3: Cross multiply
    269,568,335.30x = 404,352,502.95 × 215,820,623.30
  4. Step 4: Simplify right side
    269,568,335.30x = 87,267,609,219,584,096
  5. Step 5: Solve for x
    x = 87,267,609,219,584,096/269,568,335.30
  6. Step 6: Final answer
    x = 323,730,934.95

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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.