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Finding the Fourth Proportional to 306,073.40, 459,110.10 and 222,092.60

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Solution

The fourth proportional to 306,073.40, 459,110.10 and 222,092.60 is: 333,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,073.40 : 459,110.10 = 222,092.60 : x
  2. Step 2: Convert to fraction form
    306,073.40/459,110.10 = 222,092.60/x
  3. Step 3: Cross multiply
    306,073.40x = 459,110.10 × 222,092.60
  4. Step 4: Simplify right side
    306,073.40x = 101,964,955,795.26
  5. Step 5: Solve for x
    x = 101,964,955,795.26/306,073.40
  6. Step 6: Final answer
    x = 333,138.90

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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.