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Finding the Fourth Proportional to 328,924.88, 453,927.33 and 201,575.87

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Solution

The fourth proportional to 328,924.88, 453,927.33 and 201,575.87 is: 278,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,924.88 : 453,927.33 = 201,575.87 : x
  2. Step 2: Convert to fraction form
    328,924.88/453,927.33 = 201,575.87/x
  3. Step 3: Cross multiply
    328,924.88x = 453,927.33 × 201,575.87
  4. Step 4: Simplify right side
    328,924.88x = 91,500,794,191.89
  5. Step 5: Solve for x
    x = 91,500,794,191.89/328,924.88
  6. Step 6: Final answer
    x = 278,181.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.