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Finding the Fourth Proportional to 379,553.16, 569,310.24 and 113,315.88

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Solution

The fourth proportional to 379,553.16, 569,310.24 and 113,315.88 is: 169,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,553.16 : 569,310.24 = 113,315.88 : x
  2. Step 2: Convert to fraction form
    379,553.16/569,310.24 = 113,315.88/x
  3. Step 3: Cross multiply
    379,553.16x = 569,310.24 × 113,315.88
  4. Step 4: Simplify right side
    379,553.16x = 64,511,890,838.61
  5. Step 5: Solve for x
    x = 64,511,890,838.61/379,553.16
  6. Step 6: Final answer
    x = 169,968.00

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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.