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Finding the Fourth Proportional to 328,936.65, 493,601.80 and 302,167.77

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Solution

The fourth proportional to 328,936.65, 493,601.80 and 302,167.77 is: 453,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,936.65 : 493,601.80 = 302,167.77 : x
  2. Step 2: Convert to fraction form
    328,936.65/493,601.80 = 302,167.77/x
  3. Step 3: Cross multiply
    328,936.65x = 493,601.80 × 302,167.77
  4. Step 4: Simplify right side
    328,936.65x = 149,150,553,134.12
  5. Step 5: Solve for x
    x = 149,150,553,134.12/328,936.65
  6. Step 6: Final answer
    x = 453,432.46

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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.