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Finding the Fourth Proportional to 664,560.60, 996,743.70 and 191,196.60

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Solution

The fourth proportional to 664,560.60, 996,743.70 and 191,196.60 is: 286,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,560.60 : 996,743.70 = 191,196.60 : x
  2. Step 2: Convert to fraction form
    664,560.60/996,743.70 = 191,196.60/x
  3. Step 3: Cross multiply
    664,560.60x = 996,743.70 × 191,196.60
  4. Step 4: Simplify right side
    664,560.60x = 190,574,006,511.42
  5. Step 5: Solve for x
    x = 190,574,006,511.42/664,560.60
  6. Step 6: Final answer
    x = 286,766.94

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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.