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Finding the Fourth Proportional to 574,924.82, 861,768.05 and 274,767.30

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Solution

The fourth proportional to 574,924.82, 861,768.05 and 274,767.30 is: 411,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,924.82 : 861,768.05 = 274,767.30 : x
  2. Step 2: Convert to fraction form
    574,924.82/861,768.05 = 274,767.30/x
  3. Step 3: Cross multiply
    574,924.82x = 861,768.05 × 274,767.30
  4. Step 4: Simplify right side
    574,924.82x = 236,785,678,950.93
  5. Step 5: Solve for x
    x = 236,785,678,950.93/574,924.82
  6. Step 6: Final answer
    x = 411,855.03

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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.