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Finding the Fourth Proportional to 608,546.60, 912,906.30 and 187,778.60

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Solution

The fourth proportional to 608,546.60, 912,906.30 and 187,778.60 is: 281,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,546.60 : 912,906.30 = 187,778.60 : x
  2. Step 2: Convert to fraction form
    608,546.60/912,906.30 = 187,778.60/x
  3. Step 3: Cross multiply
    608,546.60x = 912,906.30 × 187,778.60
  4. Step 4: Simplify right side
    608,546.60x = 171,424,266,945.18
  5. Step 5: Solve for x
    x = 171,424,266,945.18/608,546.60
  6. Step 6: Final answer
    x = 281,694.56

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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.