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Finding the Fourth Proportional to 269,407.70, 404,111.55 and 174,929.30

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Solution

The fourth proportional to 269,407.70, 404,111.55 and 174,929.30 is: 262,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,407.70 : 404,111.55 = 174,929.30 : x
  2. Step 2: Convert to fraction form
    269,407.70/404,111.55 = 174,929.30/x
  3. Step 3: Cross multiply
    269,407.70x = 404,111.55 × 174,929.30
  4. Step 4: Simplify right side
    269,407.70x = 70,690,950,563.42
  5. Step 5: Solve for x
    x = 70,690,950,563.42/269,407.70
  6. Step 6: Final answer
    x = 262,393.95

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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.