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Finding the Fourth Proportional to 295,581.60, 443,372.40 and 201,103.20

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Solution

The fourth proportional to 295,581.60, 443,372.40 and 201,103.20 is: 301,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,581.60 : 443,372.40 = 201,103.20 : x
  2. Step 2: Convert to fraction form
    295,581.60/443,372.40 = 201,103.20/x
  3. Step 3: Cross multiply
    295,581.60x = 443,372.40 × 201,103.20
  4. Step 4: Simplify right side
    295,581.60x = 89,163,608,431.68
  5. Step 5: Solve for x
    x = 89,163,608,431.68/295,581.60
  6. Step 6: Final answer
    x = 301,654.80

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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.