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Finding the Fourth Proportional to 382,999.12, 573,960.94 and 302,683.97

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Solution

The fourth proportional to 382,999.12, 573,960.94 and 302,683.97 is: 453,600.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,999.12 : 573,960.94 = 302,683.97 : x
  2. Step 2: Convert to fraction form
    382,999.12/573,960.94 = 302,683.97/x
  3. Step 3: Cross multiply
    382,999.12x = 573,960.94 × 302,683.97
  4. Step 4: Simplify right side
    382,999.12x = 173,728,776,622.32
  5. Step 5: Solve for x
    x = 173,728,776,622.32/382,999.12
  6. Step 6: Final answer
    x = 453,600.98

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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.