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Finding the Fourth Proportional to 382,999.87, 573,962.06 and 302,684.73

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Solution

The fourth proportional to 382,999.87, 573,962.06 and 302,684.73 is: 453,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,999.87 : 573,962.06 = 302,684.73 : x
  2. Step 2: Convert to fraction form
    382,999.87/573,962.06 = 302,684.73/x
  3. Step 3: Cross multiply
    382,999.87x = 573,962.06 × 302,684.73
  4. Step 4: Simplify right side
    382,999.87x = 173,729,548,291.53
  5. Step 5: Solve for x
    x = 173,729,548,291.53/382,999.87
  6. Step 6: Final answer
    x = 453,602.11

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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.