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Finding the Fourth Proportional to 399,492.53, 599,241.04 and 133,252.32

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Solution

The fourth proportional to 399,492.53, 599,241.04 and 133,252.32 is: 199,879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,492.53 : 599,241.04 = 133,252.32 : x
  2. Step 2: Convert to fraction form
    399,492.53/599,241.04 = 133,252.32/x
  3. Step 3: Cross multiply
    399,492.53x = 599,241.04 × 133,252.32
  4. Step 4: Simplify right side
    399,492.53x = 79,850,255,677.14
  5. Step 5: Solve for x
    x = 79,850,255,677.14/399,492.53
  6. Step 6: Final answer
    x = 199,879.22

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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.