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Finding the Fourth Proportional to 235,881.60, 353,822.40 and 231,993.60

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Solution

The fourth proportional to 235,881.60, 353,822.40 and 231,993.60 is: 347,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,881.60 : 353,822.40 = 231,993.60 : x
  2. Step 2: Convert to fraction form
    235,881.60/353,822.40 = 231,993.60/x
  3. Step 3: Cross multiply
    235,881.60x = 353,822.40 × 231,993.60
  4. Step 4: Simplify right side
    235,881.60x = 82,084,532,336.64
  5. Step 5: Solve for x
    x = 82,084,532,336.64/235,881.60
  6. Step 6: Final answer
    x = 347,990.40

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Similar ratio
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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.