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Finding the Fourth Proportional to 328,675.60, 491,976.60 and 235,363.60

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Solution

The fourth proportional to 328,675.60, 491,976.60 and 235,363.60 is: 352,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,675.60 : 491,976.60 = 235,363.60 : x
  2. Step 2: Convert to fraction form
    328,675.60/491,976.60 = 235,363.60/x
  3. Step 3: Cross multiply
    328,675.60x = 491,976.60 × 235,363.60
  4. Step 4: Simplify right side
    328,675.60x = 115,793,383,691.76
  5. Step 5: Solve for x
    x = 115,793,383,691.76/328,675.60
  6. Step 6: Final answer
    x = 352,302.95

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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.