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Finding the Fourth Proportional to 537,763.40, 806,645.10 and 222,446.60

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Solution

The fourth proportional to 537,763.40, 806,645.10 and 222,446.60 is: 333,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,763.40 : 806,645.10 = 222,446.60 : x
  2. Step 2: Convert to fraction form
    537,763.40/806,645.10 = 222,446.60/x
  3. Step 3: Cross multiply
    537,763.40x = 806,645.10 × 222,446.60
  4. Step 4: Simplify right side
    537,763.40x = 179,435,459,901.66
  5. Step 5: Solve for x
    x = 179,435,459,901.66/537,763.40
  6. Step 6: Final answer
    x = 333,669.90

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Similar ratio
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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.