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Finding the Fourth Proportional to 438,517.26, 605,153.80 and 237,313.26

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Solution

The fourth proportional to 438,517.26, 605,153.80 and 237,313.26 is: 327,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,517.26 : 605,153.80 = 237,313.26 : x
  2. Step 2: Convert to fraction form
    438,517.26/605,153.80 = 237,313.26/x
  3. Step 3: Cross multiply
    438,517.26x = 605,153.80 × 237,313.26
  4. Step 4: Simplify right side
    438,517.26x = 143,611,021,079.39
  5. Step 5: Solve for x
    x = 143,611,021,079.39/438,517.26
  6. Step 6: Final answer
    x = 327,492.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.