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Finding the Fourth Proportional to 328,951.43, 493,623.96 and 302,182.55

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Solution

The fourth proportional to 328,951.43, 493,623.96 and 302,182.55 is: 453,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,951.43 : 493,623.96 = 302,182.55 : x
  2. Step 2: Convert to fraction form
    328,951.43/493,623.96 = 302,182.55/x
  3. Step 3: Cross multiply
    328,951.43x = 493,623.96 × 302,182.55
  4. Step 4: Simplify right side
    328,951.43x = 149,164,545,223.68
  5. Step 5: Solve for x
    x = 149,164,545,223.68/328,951.43
  6. Step 6: Final answer
    x = 453,454.62

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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.