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Finding the Fourth Proportional to 605,183.40, 907,775.10 and 161,951.40

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Solution

The fourth proportional to 605,183.40, 907,775.10 and 161,951.40 is: 242,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,183.40 : 907,775.10 = 161,951.40 : x
  2. Step 2: Convert to fraction form
    605,183.40/907,775.10 = 161,951.40/x
  3. Step 3: Cross multiply
    605,183.40x = 907,775.10 × 161,951.40
  4. Step 4: Simplify right side
    605,183.40x = 147,015,448,330.14
  5. Step 5: Solve for x
    x = 147,015,448,330.14/605,183.40
  6. Step 6: Final answer
    x = 242,927.10

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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.