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Finding the Fourth Proportional to 379,496.88, 569,272.32 and 113,235.84

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Solution

The fourth proportional to 379,496.88, 569,272.32 and 113,235.84 is: 169,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,496.88 : 569,272.32 = 113,235.84 : x
  2. Step 2: Convert to fraction form
    379,496.88/569,272.32 = 113,235.84/x
  3. Step 3: Cross multiply
    379,496.88x = 569,272.32 × 113,235.84
  4. Step 4: Simplify right side
    379,496.88x = 64,462,029,343.95
  5. Step 5: Solve for x
    x = 64,462,029,343.95/379,496.88
  6. Step 6: Final answer
    x = 169,861.82

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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.