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Finding the Fourth Proportional to 605,134.60, 907,701.90 and 161,902.60

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Solution

The fourth proportional to 605,134.60, 907,701.90 and 161,902.60 is: 242,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,134.60 : 907,701.90 = 161,902.60 : x
  2. Step 2: Convert to fraction form
    605,134.60/907,701.90 = 161,902.60/x
  3. Step 3: Cross multiply
    605,134.60x = 907,701.90 × 161,902.60
  4. Step 4: Simplify right side
    605,134.60x = 146,959,297,634.94
  5. Step 5: Solve for x
    x = 146,959,297,634.94/605,134.60
  6. Step 6: Final answer
    x = 242,853.90

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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.