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Finding the Fourth Proportional to 379,196.98, 568,900.78 and 165,926.68

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Solution

The fourth proportional to 379,196.98, 568,900.78 and 165,926.68 is: 248,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,196.98 : 568,900.78 = 165,926.68 : x
  2. Step 2: Convert to fraction form
    379,196.98/568,900.78 = 165,926.68/x
  3. Step 3: Cross multiply
    379,196.98x = 568,900.78 × 165,926.68
  4. Step 4: Simplify right side
    379,196.98x = 94,395,817,674.81
  5. Step 5: Solve for x
    x = 94,395,817,674.81/379,196.98
  6. Step 6: Final answer
    x = 248,936.10

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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.