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Finding the Fourth Proportional to 269,060.20, 403,590.30 and 174,581.80

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Solution

The fourth proportional to 269,060.20, 403,590.30 and 174,581.80 is: 261,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,060.20 : 403,590.30 = 174,581.80 : x
  2. Step 2: Convert to fraction form
    269,060.20/403,590.30 = 174,581.80/x
  3. Step 3: Cross multiply
    269,060.20x = 403,590.30 × 174,581.80
  4. Step 4: Simplify right side
    269,060.20x = 70,459,521,036.54
  5. Step 5: Solve for x
    x = 70,459,521,036.54/269,060.20
  6. Step 6: Final answer
    x = 261,872.70

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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.