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Finding the Fourth Proportional to 329,174.70, 493,762.05 and 303,513.90

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Solution

The fourth proportional to 329,174.70, 493,762.05 and 303,513.90 is: 455,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,174.70 : 493,762.05 = 303,513.90 : x
  2. Step 2: Convert to fraction form
    329,174.70/493,762.05 = 303,513.90/x
  3. Step 3: Cross multiply
    329,174.70x = 493,762.05 × 303,513.90
  4. Step 4: Simplify right side
    329,174.70x = 149,863,645,467.50
  5. Step 5: Solve for x
    x = 149,863,645,467.50/329,174.70
  6. Step 6: Final answer
    x = 455,270.85

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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.