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Finding the Fourth Proportional to 269,181.59, 402,285.16 and 253,625.86

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Solution

The fourth proportional to 269,181.59, 402,285.16 and 253,625.86 is: 379,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,181.59 : 402,285.16 = 253,625.86 : x
  2. Step 2: Convert to fraction form
    269,181.59/402,285.16 = 253,625.86/x
  3. Step 3: Cross multiply
    269,181.59x = 402,285.16 × 253,625.86
  4. Step 4: Simplify right side
    269,181.59x = 102,029,919,670.24
  5. Step 5: Solve for x
    x = 102,029,919,670.24/269,181.59
  6. Step 6: Final answer
    x = 379,037.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.