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Finding the Fourth Proportional to 235,410.40, 353,115.60 and 133,933.60

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Solution

The fourth proportional to 235,410.40, 353,115.60 and 133,933.60 is: 200,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,410.40 : 353,115.60 = 133,933.60 : x
  2. Step 2: Convert to fraction form
    235,410.40/353,115.60 = 133,933.60/x
  3. Step 3: Cross multiply
    235,410.40x = 353,115.60 × 133,933.60
  4. Step 4: Simplify right side
    235,410.40x = 47,294,043,524.16
  5. Step 5: Solve for x
    x = 47,294,043,524.16/235,410.40
  6. Step 6: Final answer
    x = 200,900.40

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1.5x scale

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.