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Finding the Fourth Proportional to 384,279.41, 576,770.67 and 194,870.51

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Solution

The fourth proportional to 384,279.41, 576,770.67 and 194,870.51 is: 292,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,279.41 : 576,770.67 = 194,870.51 : x
  2. Step 2: Convert to fraction form
    384,279.41/576,770.67 = 194,870.51/x
  3. Step 3: Cross multiply
    384,279.41x = 576,770.67 × 194,870.51
  4. Step 4: Simplify right side
    384,279.41x = 112,395,591,732.09
  5. Step 5: Solve for x
    x = 112,395,591,732.09/384,279.41
  6. Step 6: Final answer
    x = 292,484.04

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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.