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Finding the Fourth Proportional to 328,937.65, 493,603.30 and 302,168.77

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Solution

The fourth proportional to 328,937.65, 493,603.30 and 302,168.77 is: 453,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,937.65 : 493,603.30 = 302,168.77 : x
  2. Step 2: Convert to fraction form
    328,937.65/493,603.30 = 302,168.77/x
  3. Step 3: Cross multiply
    328,937.65x = 493,603.30 × 302,168.77
  4. Step 4: Simplify right side
    328,937.65x = 149,151,502,028.94
  5. Step 5: Solve for x
    x = 149,151,502,028.94/328,937.65
  6. Step 6: Final answer
    x = 453,433.96

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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.