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Finding the Fourth Proportional to 235,630.80, 353,446.20 and 232,131.60

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Solution

The fourth proportional to 235,630.80, 353,446.20 and 232,131.60 is: 348,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,630.80 : 353,446.20 = 232,131.60 : x
  2. Step 2: Convert to fraction form
    235,630.80/353,446.20 = 232,131.60/x
  3. Step 3: Cross multiply
    235,630.80x = 353,446.20 × 232,131.60
  4. Step 4: Simplify right side
    235,630.80x = 82,046,031,919.92
  5. Step 5: Solve for x
    x = 82,046,031,919.92/235,630.80
  6. Step 6: Final answer
    x = 348,197.40

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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.