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Finding the Fourth Proportional to 297,914.60, 446,871.90 and 203,436.20

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Solution

The fourth proportional to 297,914.60, 446,871.90 and 203,436.20 is: 305,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,914.60 : 446,871.90 = 203,436.20 : x
  2. Step 2: Convert to fraction form
    297,914.60/446,871.90 = 203,436.20/x
  3. Step 3: Cross multiply
    297,914.60x = 446,871.90 × 203,436.20
  4. Step 4: Simplify right side
    297,914.60x = 90,909,921,222.78
  5. Step 5: Solve for x
    x = 90,909,921,222.78/297,914.60
  6. Step 6: Final answer
    x = 305,154.30

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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.